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VANDENBERG AIR FORCE BASE, Calif. – Segments of the Pegasus XL launch vehicle are moved into Building 1555. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Moran KSC-08pd1674

VANDENBERG AIR FORCE BASE, Calif. – Segments of the Pegasus XL launch...

VANDENBERG AIR FORCE BASE, Calif. – Segments of the Pegasus XL launch vehicle are moved into Building 1555. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwaja... More

VANDENBERG AIR FORCE BASE, Calif. – Segments of the Pegasus XL launch vehicle are moved into Building 1555. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Moran KSC-08pd1675

VANDENBERG AIR FORCE BASE, Calif. – Segments of the Pegasus XL launch...

VANDENBERG AIR FORCE BASE, Calif. – Segments of the Pegasus XL launch vehicle are moved into Building 1555. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwaja... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, the wings of the Pegasus XL launch vehicle are checked for fit. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1677

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, the wings of th...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, the wings of the Pegasus XL launch vehicle are checked for fit. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite f... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, stage 1 and stage 2 of the Pegasus XL launch vehicle are temporarily mated. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Moran KSC-08pd1673

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, stage 1 and sta...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, stage 1 and stage 2 of the Pegasus XL launch vehicle are temporarily mated. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, the wings of the Pegasus XL launch vehicle are checked for fit. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1676

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, the wings of th...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, the wings of the Pegasus XL launch vehicle are checked for fit. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite f... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check the fit of the wing on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1686

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check t...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check the fit of the wing on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satell... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide a wing toward the Pegasus XL launch vehicle for a fit check. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1682

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help g...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide a wing toward the Pegasus XL launch vehicle for a fit check. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide a wing toward the Pegasus XL launch vehicle in the background for a fit check. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1683

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help gu...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide a wing toward the Pegasus XL launch vehicle in the background for a fit check. The Pegasus will launch NASA's Interstellar Boundary Exp... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide a wing toward the Pegasus XL launch vehicle in the background for a fit check. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1684

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help gu...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide a wing toward the Pegasus XL launch vehicle in the background for a fit check. The Pegasus will launch NASA's Interstellar Boundary Exp... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check the movement of the wing toward the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1685

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check t...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check the movement of the wing toward the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBE... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check equipment on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1681

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check eq...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers check equipment on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kw... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide the fillet on top of the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1678

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help gu...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide the fillet on top of the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, sa... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers secure the fillet into place on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1680

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers secure t...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers secure the fillet into place on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, sate... More

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide the fillet into place on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. Photo credit: NASA/Randy Beaudoin KSC-08pd1679

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help gui...

VANDENBERG AIR FORCE BASE, Calif. – In Building 1555, workers help guide the fillet into place on the Pegasus XL launch vehicle. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB secure the wing into place on the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1870

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vand...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB secure the wing into place on the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help maneuver the wing for installation onto the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1866

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Van...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help maneuver the wing for installation onto the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer M... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help guide the wing toward the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1864

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Van...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help guide the wing toward the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explorer ... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help maneuver the wing for installation onto the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1867

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Va...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help maneuver the wing for installation onto the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB maneuver the wing into place on the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1869

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vand...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB maneuver the wing into place on the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explor... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB maneuver the wing into place on the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1868

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at V...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB maneuver the wing into place on the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Expl... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB check the installation of the wing on the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1871

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vand...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB check the installation of the wing on the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission,... More

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help guide the wing toward the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1865

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Va...

VANDENBERG AIR FORCE BASE, Calif. -- Workers in Building 1555 at Vandenberg AFB help guide the wing toward the Pegasus rocket for installation. The Pegasus will launch NASA's Interstellar Boundary Explorer ... More

VANDENBERG AIR FORCE BASE, Calif. -- Preparations are underway in Building 1555 at Vandenberg AFB for installation of the final wing onto the Pegasus rocket. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in September 2008. Photo credit: NASA/ Randy Beaudoin KSC-08pd1863

VANDENBERG AIR FORCE BASE, Calif. -- Preparations are underway in Bui...

VANDENBERG AIR FORCE BASE, Calif. -- Preparations are underway in Building 1555 at Vandenberg AFB for installation of the final wing onto the Pegasus rocket. The Pegasus will launch NASA's Interstellar Bounda... More

VANDENBERG AIR FORCE BASE, Calif. -- Avionics shelf flatness and fillet gap measurements are conducted on the wing of a Pegasus rocket in Building 1555 at Vandenberg AFB. The testing was performed by workers from Advanced Digital Measuring Works using an API laser tracker. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in October 2008. Photo credit: NASA/Randy Beaudoin KSC-08pd2042

VANDENBERG AIR FORCE BASE, Calif. -- Avionics shelf flatness and fille...

VANDENBERG AIR FORCE BASE, Calif. -- Avionics shelf flatness and fillet gap measurements are conducted on the wing of a Pegasus rocket in Building 1555 at Vandenberg AFB. The testing was performed by workers f... More

VANDENBERG AIR FORCE BASE, Calif. -- Avionics shelf flatness and fillet gap measurements are conducted on the wing of a Pegasus rocket in Building 1555 at Vandenberg AFB. The testing was performed by workers from Advanced Digital Measuring Works using an API laser tracker. The Pegasus will launch NASA's Interstellar Boundary Explorer Mission, or IBEX, satellite from Kwajalein Island in the Marshall Islands, South Pacific. IBEX will make the first map of the boundary between the solar system and interstellar space. IBEX is the first mission designed to detect the edge of the solar system. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the solar system and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the solar system that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch in October 2008. Photo credit: NASA/Randy Beaudoin KSC-08pd2043

VANDENBERG AIR FORCE BASE, Calif. -- Avionics shelf flatness and fille...

VANDENBERG AIR FORCE BASE, Calif. -- Avionics shelf flatness and fillet gap measurements are conducted on the wing of a Pegasus rocket in Building 1555 at Vandenberg AFB. The testing was performed by workers f... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, an overhead crane lifts the cover of a shipping container to reveal NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2402

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, an overhead crane lifts the cover of a shipping container to reveal NASA's Interstellar Boundary Explorer, or IBEX, mission space... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the shipping container with NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft inside has arrived. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2399

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the shipping container with NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft inside has arrived. The IBEX sat... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians follow the movement of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft toward the mobile stand in the foreground. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2410

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians follow the movement of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft toward the mobile stand in... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare a mobile stand to receive NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2409

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare a mobile stand to receive NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The IBEX sat... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft rests securely on the mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2414

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft rests securely on the mobile stand. The IBEX satellite will ... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft to be lifted from the shipping platform and moved to a mobile stand in the background. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2403

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft to be lifted from the shipping platform an... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare a mobile stand for the transfer of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2401

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare a mobile stand for the transfer of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The IB... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, an overhead crane begins lifting NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft to move it to a nearby mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2407

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, an overhead crane begins lifting NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft to move it to a nearby mobil... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians check the base of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft as it is lifted off its shipping stand. The spacecraft will be moved to a nearby mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2408

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians check the base of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft as it is lifted off its shippin... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, a technician secures the overhead crane that will lift NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft and move it to a nearby mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2406

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, a technician secures the overhead crane that will lift NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft and mo... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians begin to secure NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft on the mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2412

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians begin to secure NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft on the mobile stand. The IBEX sa... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft to be lifted from the shipping platform and moved to a mobile stand in the background. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2404

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians prepare NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft to be lifted from the shipping platform a... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, an overhead crane is ready to lift NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft and move it to a nearby mobile stand.The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2405

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, an overhead crane is ready to lift NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft and move it to a nearby mo... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft as an overhead crane lowers it into place on the mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2411

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft as an overhead crane lowers it into pl... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians attach an overhead crane to the shipping container cover on NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/Mark Mackley KSC-08pd2400

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians attach an overhead crane to the shipping container cover on NASA's Interstellar Boundary Explorer, or IBEX, mission s... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians release the overhead crane from NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft which rests on the mobile stand. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA KSC-08pd2413

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in ...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians release the overhead crane from NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft which rests on th... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, a bracket is attached to the Star-27 kick motor for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The motor will be lifted and moved to the waiting adapter cone. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2415

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, a bracket is attached to the Star-27 kick motor for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The mot... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is being hoisted before insertion into the adapter cone. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2419

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is being hoisted before inserti... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft are “on top” and part of the IBEX flight system, known as the adapter cone, is in the foreground/bottom. The Star-27 motor has a silver tank that contains the solid propellant. The nozzle fits down inside the adapter cone. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2418

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft are “on top” and part of the IB... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The motor will be lifted and moved to the waiting adapter cone. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2416

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft.... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The motor/nozzle will be inserted in the adapter cone (bottom of the foreground). The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2417

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians detach the cables from NASA's Interstellar Boundary Explorer, or IBEX, spacecraft Star-27 kick motor and nozzle after their insertion into the adapter cone. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2420

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians detach the cables from NASA's Interstellar Boundary Explorer, or IBEX, spacecraft Star-27 kick motor and nozzle after... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft have been inserted into the adapter cone. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from the Pegasus XL rocket on Oct. 5. Photo credit: NASA/R. Bledsoe KSC-08pd2421

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft have been inserted into the adap... More

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, at right is the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft. At left are the Star-27 kick motor and nozzle for IBEX “on top” and the adapter cone, part of the IBEX flight system, underneath. The IBEX is being prepared for a spin balance test. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2505

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, at right is the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft. At left are the Star-27 kick motor and nozzle for IBEX... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is seen “on top” and the adapter cone, part of the IBEX flight system, underneath. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2507

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is seen “on top” and the adapter ... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is lifted toward a spin stand (behind it) for testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2508

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is lifted toward a spin stand (behind it) for testing. The IBEX sat... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is lowered onto a spin stand for testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2509

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is lowered onto a spin stand for testing. The IBEX satellite will m... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft seen here is being prepared for a spin balance test. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2506

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft seen here is being prepared for a spin balance test. The IBEX satel... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, at left is the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft. At right are the Star-27 kick motor and nozzle for IBEX “on top” and the adapter cone, part of the IBEX flight system, underneath. The IBEX is being prepared for a spin balance test. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2504

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, at left is the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft. At right are the Star-27 kick motor and nozzle for IBEX... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, technicians help place NASA's Interstellar Boundary Explorer, or IBEX, spacecraft onto a stand for spin balance testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2515

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, technicians help place NASA's Interstellar Boundary Explorer, or IBEX, spacecraft onto a stand for spin balance testing. The IBEX ... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, a technician checks NASA's Interstellar Boundary Explorer, or IBEX, spacecraft suspended by an overhead crane. IBEX is undergoing spin balance testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2513

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, a technician checks NASA's Interstellar Boundary Explorer, or IBEX, spacecraft suspended by an overhead crane. IBEX is undergoing... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, a technician helps guide the placement of NASA's Interstellar Boundary Explorer, or IBEX, spacecraft onto a stand for spin balance testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2514

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, a technician helps guide the placement of NASA's Interstellar Boundary Explorer, or IBEX, spacecraft onto a stand for spin balance... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, a technician checks NASA's Interstellar Boundary Explorer, or IBEX, spacecraft undergoing spin balance testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2511

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, a technician checks NASA's Interstellar Boundary Explorer, or IBEX, spacecraft undergoing spin balance testing. The IBEX satellite... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, technicians help guide an overhead crane toward NASA's Interstellar Boundary Explorer, or IBEX, spacecraft below it. IBEX is undergoing spin balance testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2512

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, technicians help guide an overhead crane toward NASA's Interstellar Boundary Explorer, or IBEX, spacecraft below it. IBEX is und... More

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is ready for spin balance testing. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock front. IBEX contains two neutral atom imagers designed to detect particles from the termination shock at the boundary between the Solar System and interstellar space. IBEX also will study galactic cosmic rays, energetic particles from beyond the Solar System that pose a health and safety hazard for humans exploring beyond Earth orbit. IBEX will make these observations from a highly elliptical orbit that takes it beyond the interference of the Earth's magnetosphere. IBEX is targeted for launch from a Pegasus XL rocket on Oct. 5. Photo credit: NASA/VAFB KSC-08pd2510

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in Ca...

VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, NASA's Interstellar Boundary Explorer, or IBEX, spacecraft is ready for spin balance testing. The IBEX satellite will make the fir... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, is covered with protective material for a move to the stand in the foreground. The overhead crane will be attached to make the move. Designed to detect the edge of the Solar System, the IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3038

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in C...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, is covered with protective material for a move to the stand in the foreground. Th... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, waits to be covered so it can be moved to another facility for mating with the Pegasus XL rocket. Designed to detect the edge of the Solar System, the IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3037

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in C...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, waits to be covered so it can be moved to another facility for mating with the Pe... More

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft is driven from the Astrotech building in an environmentally controlled container to Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3064

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer...

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft is driven from the Astrotech building in an environmentally controlled container to Hangar 1555 on Vandenberg Air Forc... More

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft leaves the Astrotech building to head for Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3063

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer...

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft leaves the Astrotech building to head for Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX... More

VANDENBERG AIR FORCE BASE, Calif. – The cover of the environmentally controlled container is lifted off NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft after its arrival at Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3065

VANDENBERG AIR FORCE BASE, Calif. – The cover of the environmentally ...

VANDENBERG AIR FORCE BASE, Calif. – The cover of the environmentally controlled container is lifted off NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft after its arrival at Hangar 1555 on Vandenber... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a crane lowers NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft onto a moveable stand. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3066

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a crane lowers NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft onto a moveable stand. In the hangar, I... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, the Pegasus XL aircraft (left) is ready for mating to NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right). The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/D. Kolkow, VAFB KSC-08pd3018

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, the...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, the Pegasus XL aircraft (left) is ready for mating to NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, workers prepare to move NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right) to mate it with the Pegasus XL aircraft (left). The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/D. Kolkow, VAFB KSC-08pd3019

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, wor...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, workers prepare to move NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right) to mate it with the Pegasus ... More

Vandenberg Air Force Base, Calif. – On Vandenberg Air Force Base in California, one half of a fairing is moved into a protected clean room tent where it will be installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3021

Vandenberg Air Force Base, Calif. – On Vandenberg Air Force Base in ...

Vandenberg Air Force Base, Calif. – On Vandenberg Air Force Base in California, one half of a fairing is moved into a protected clean room tent where it will be installed around NASA’s Interstellar Boundary E... More

VANDENBERG AIR FORCE BASE , Calif. – On Vandenberg Air Force Base in California, one half of a fairing is being moved to a protected clean room tent where it will be installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3020

VANDENBERG AIR FORCE BASE , Calif. – On Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE , Calif. – On Vandenberg Air Force Base in California, one half of a fairing is being moved to a protected clean room tent where it will be installed around NASA’s Interstellar Bound... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3023

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3026

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room ten...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary E... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3025

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary ... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3022

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, a worker (right) examines part of the second half of the fairing to be installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3027

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, a worker (right) examines part of the second half of the fairing to be installed around NASA’... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3024

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room ten...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft.... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, both halves of the fairing have been installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3028

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, both halves of the fairing have been installed around NASA’s Interstellar Boundary Explorer, ... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers make adjustments before installing the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3024A

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers make adjustments before installing the fairing around NASA’s Interstellar Boundary Ex... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3069

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3071

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3073

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3070

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3072

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3068

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3074

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3067

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus will be attached to the aircraft for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3076

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air F...

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spacecra... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3100

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for N... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker begins painting the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3099

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Ai...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker begins painting the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch veh... More

VANDENBERG AIR FORCE BASE, Calif. – The name “Mercator” is boldly displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3102

VANDENBERG AIR FORCE BASE, Calif. – The name “Mercator” is boldly dis...

VANDENBERG AIR FORCE BASE, Calif. – The name “Mercator” is boldly displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – In On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus will be attached to the aircraft for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3075

VANDENBERG AIR FORCE BASE, Calif. – In On the runway of Vandenberg A...

VANDENBERG AIR FORCE BASE, Calif. – In On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spac... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, the name “Mercator” is displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3103

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, the name “Mercator” is displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3101

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Ai...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for ... More

VANDENBERG AIR FORCE BASE, Fla. -- In Hangar 1555, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket on its transporter for a trip to the ramp on Vandenberg Air Force Base in California. There, the rocket-spacecraft will be attached to the L-1011 aircraft. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3104

VANDENBERG AIR FORCE BASE, Fla. -- In Hangar 1555, work is under way p...

VANDENBERG AIR FORCE BASE, Fla. -- In Hangar 1555, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket on its transporter for a trip to the ramp on... More

VANDENBERG AIR FORCE BASE, Fla. -- A closeup of Orbital Sciences’ Pegasus XL rocket for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft as it is enroute to the ramp on Vandenberg Air Force Base in California. There, the rocket will be attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3108

VANDENBERG AIR FORCE BASE, Fla. -- A closeup of Orbital Sciences’ Peg...

VANDENBERG AIR FORCE BASE, Fla. -- A closeup of Orbital Sciences’ Pegasus XL rocket for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft as it is enroute to the ramp on Vandenberg Air Force Base in C... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket leave Hangar 1555 on a transporter to head for the ramp on Vandenberg Air Force Base in California. There, the rocket will be attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3106

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explo...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket leave Hangar 1555 on a transporter to head for the ramp on Vandenberg Air Force Base in... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3111

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted fo... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3110

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3112

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted fo... More

VANDENBERG AIR FORCE BASE, Fla. -- On the ramp on Vandenberg Air Force Base in California, the Orbital Sciences’ L-1011 aircraft is being prepared to receive the Pegasus XL rocket and NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3105

VANDENBERG AIR FORCE BASE, Fla. -- On the ramp on Vandenberg Air Force...

VANDENBERG AIR FORCE BASE, Fla. -- On the ramp on Vandenberg Air Force Base in California, the Orbital Sciences’ L-1011 aircraft is being prepared to receive the Pegasus XL rocket and NASA’s Interstellar Bounda... More

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