This is an artist's concept of the Chandra X-Ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), fully developed in orbit in a star field with Earth. In 1999, the AXAF was renamed the C More
This is a photograph of the Chandra X-Ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), High Resolution Mirror Assembly (HRMA) integration at the X-Ray Calibration Facility (XRCF) at More
This photograph shows the mirrors of the High Resolution Mirror Assembly (HRMA) for the Chandra X-Ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), being assembled in the Eastman Koda More
This photo shows the High Resolution Camera (HRC) for the Chandra X-Ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), being integrated with the High Resolution Mirror Assembly (HRMA) More
This photograph captures the installation of the Chandra X-Ray Observatory, formerly Advanced X-Ray Astrophysics Facility (AXAF), Advanced Charged-Coupled Device (CCD) Imaging Spectrometer (ACIS) into the Vacuu More
This photograph shows the Chandra X-ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), High Resolution Mirror Assembly (HRMA) being removed from the test structure in the X-Ray Calibra More
This photograph shows the Chandra X-Ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), High Resolution Mirror Assembly (HRMA) being removed from the test structure in the X-Ray Calibra More
This is a computer rendering of the fully developed Chandra X-Ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF). In 1999, the AXAF was renamed the CXO in honor of the late Indian-Ameri More
This photograph shows a TRW technician inspecting the completely assembled Chandra X-ray Observatory (CXO) in the Thermal Vacuum Chamber at TRW Space and Electronics Group of Redondo Beach, California. The CXO More
This is a computer rendering of the fully developed Chandra X-ray Observatory (CXO), formerly Advanced X-Ray Astrophysics Facility (AXAF), in orbit in a star field. In 1999, the AXAF was renamed the CXO in hono More
In this photograph, the Chandra X-Ray Observatory (CXO) was installed and mated to the Inertial Upper Stage (IUS) inside the Shuttle Columbia's cargo bay at the Kennedy Space Center. The CXO will help astronome More
This photograph shows TRW technicians preparing the assembled Chandra X-Ray Observatory (CXO) for an official unveiling at TRW Space and Electronics Group of Redondo Beach, California. The CXO is formerly known More
NASA’s Chandra X-Ray Observatory (CXO) was launched July 22, 1999 aboard the Space Shuttle Columbia, STS-93 mission. This image was produced by combining a dozen CXO observations made of a 130 light-year region More
This Chandra X-Ray Observatory image of the mysterious superstar Eta Carinae reveals a surprising hot irner core, creating more questions than answers for astronomers. The image shows three distinct structures: More
The Chandra X-ray Observatory (CXO), NASA's newest space telescope, is seen above at the unveiling ceremony at TRW Space and Electronics Group in Redondo Beach, Calif. The photo was taken by Marshall Space Flig More
A crew member of the STS-93 mission took this photograph of the Chandra X-Ray Observatory, still attached to the Inertial Upper Stage (IUS), backdropped against the darkness of space not long after its release More
This is an extraordinary first image from the Chandra X-Ray Observatory (CXO), the supernova remnant Cassiopeia A, tracing the aftermath of a gigantic stellar explosion in such sturning detail that scientists c More
This x-ray image of the Cassiopeia A (CAS A) supernova remnant is the official first light image of the Chandra X-Ray Observatory (CXO). The 5,000-second image was made with the Advanced Charged Coupled Device More
After barely 2 months in space, the Chandra X-Ray Observatory (CXO) took this sturning image of the Crab Nebula, the spectacular remains of a stellar explosion, revealing something never seen before, a brillian More
Chandra X-Ray Observatory took this first x-ray picture of the Andromeda Galaxy (M31) on October 13, 1999. The blue dot in the center of the image is a "cool" million-degree x-ray source where a supermassive bl More
The Chandra X-Ray Observatory has captured this spectacular image of G292.0+1.8, a young, oxygen-rich supernova remnant with a pulsar at its center surrounded by outflowing material. This image shows a rapidly More
This Chandra X-Ray Observatory (CXO) image is a spectrum of a black hole, which is similar to the colorful spectrum of sunlight produced by a prism. The x-rays of interest are shown here recorded in bright stri More
This most distant x-ray cluster of galaxies yet has been found by astronomers using Chandra X-ray Observatory (CXO). Approximately 10 billion light-years from Earth, the cluster 3C294 is 40 percent farther than More
NGC 3603 is a bustling region of star birth in the Carina spiral arm of the Milky Way galaxy, about 20,000 light-years from Earth. For the first time, this Chandra image resolves the multitude of individual x-r More
Left image: The x-ray data from the Chandra X-Ray Observatory (CXO) has revealed a bright central star surrounded by a cloud of multimillion-degree gas in the planetary nebula known as the Cat's Eye. This CXO i More
The Chandra X-Ray Observatory (CXO) has made a sturning, high-energy panorama of the central regions of our Milky Way galaxy. The findings are an important step toward understanding the most active area of the More
This image shows the central region of the spiral galaxy NGC 4631 as seen edge-on from the Chandra X-Ray Observatory (CXO) and the Hubble Space Telescope (HST). The Chandra data, shown in blue and purple, provi More
This image of the galaxy cluster Abell 2125, provided by the Chandra X-Ray Observatory (CXO), reveals several massive multimillion degree Celsius gas clouds that appear to be in the process of merging. Ten of t More
This spectacular Chandra X-Ray Observatory (CXO) image of the supernova remnant Cassiopeia A is the most detailed image ever made of the remains of an exploded star. The one-million-second image shows a bright More
Astronomers have used an x-ray image to make the first detailed study of the behavior of high-energy particles around a fast moving pulsar. This image, from NASA's Chandra X-Ray Observatory (CXO), shows the sho More
Four hundred years ago, sky watchers, including the famous astronomer Johannes Kepler, best known as the discoverer of the laws of planetary motion, were startled by the sudden appearance of a new star in the w More
Addison "Tad" Davis IV, the U.S. Army Reserve Command command executive officer, addresses command executive officers during the 2013 U.S. Army Reserve Senior Leader Forum, Aug. 21, at Peterson Air Force Base, More
Addison Davis IV, second from right, his wife, Diane, and U.S. Army Reserve Command senior leaders and civilians, render honors during the playing of the national anthem at Davis' farewell ceremony at Fort Brag More
James B. Balocki, command executive officer, U.S. Army Reserve Command, shares his first impression of the command's workforce during an interview with the public affairs staff, Feb. 3, 2014, at the USARC Headq More
Rita Broadway (third from right), U.S. Army Reserve Command deputy chief executive officer, stands at attention with the official party during the playing of the national anthem at her retirement ceremony at th More
Mr. James Balocki, the U.S. Army Reserve command executive officer, discusses pending personnel cuts with a reporter at the U.S. Army Reserve Command headquarters, Oct. 1, 2014, at Fort Bragg, N.C. (U.S. Army p More
Addison Davis IV, U.S. Army Reserve Command command executive officer, gives his remarks during his farewell ceremony at Fort Bragg, N.C., Sept. 16, 2013. (U.S. Army photo by Timothy L. Hale/Released)
The 82nd Airborne Division Chorus performs during a retirement ceremony for Rita Broadway, U.S. Army Reserve Command deputy chief executive officer, at the USARC headquarters at Fort Bragg, N.C., April 15, 2014 More
Addison Davis IV, center, is congratulated by U.S. Army Lt. Gen. Jeffrey W. Talley, the U.S. Army Reserve Command commanding general, during Davis' farewell ceremony at Fort Bragg, N.C., Sept. 16, 2013. Davis, More
Addison Davis IV, center, is presented the Bronze Order of the de Fleury medal for his years of dedicated service as an engineer, with his wife by his side, by Lt. Gen. Jeffrey W. Talley, the U.S. Army Reserve More
Rita Broadway, U.S. Army Reserve Command deputy chief executive officer, receives the Decoration for Exceptional Civilian Service from Maj. Gen. Luis R. Visot, USARC deputy commanding general for operations, du More
Addison Davis IV, center, is presented with an American flag for his years of dedicated service as an engineer, with his wife by his side, by Lt. Gen. Jeffrey W. Talley, the U.S. Army Reserve Command commanding More
Rita Broadway, U.S. Army Reserve Command deputy chief executive officer, and her husband, Garan, share a light-hearted moment with Maj. Gen. Luis R. Visot, USARC deputy commanding general for operations, during More
Diane Davis, center, is presented a certificate of appreciation by Lt. Gen. Jeffrey W. Talley the U.S. Army Reserve Command commanding general, during a farewell ceremony for her husband, Addison Davis IV at Fo More
Rita Broadway, U.S. Army Reserve Command deputy chief executive officer, receives a kiss from her husband, Garan, during her retirement ceremony at the USARC headquarters at Fort Bragg, N.C., April 15, 2014. Br More
Diane Davis, center, is presented flowers by her husband, Addison Davis IV, during his farewell ceremony at Fort Bragg, N.C., Sept. 16, 2013. Pictured with the Davis' is Lt. Gen. Jeffrey W. Talley, the U.S. Arm More
Rita Broadway, U.S. Army Reserve Command deputy chief executive officer, gives her remarks during her retirement ceremony at the USARC headquarters at Fort Bragg, N.C., April 15, 2014. Broadway, who previously More
Addison Davis IV, center, is presented a farewell photo plaque during his farewell ceremony at Fort Bragg, N.C., Sept. 16, 2013. Pictured with Davis is Lt. Gen. Jeffrey W. Talley, the U.S. Army Reserve Command More
Rita Broadway (second from right), U.S. Army Reserve Command deputy chief executive officer, listens to the 82nd Airborne Division Chorus perform during her retirement ceremony at the USARC headquarters at Fort More
Addison Davis IV, U.S. Army Reserve Command (USARC) command executive officer, shakes hands with USARC senior leaders during his farewell ceremony at the USARC headquarters at Fort Bragg, N.C., Sept. 16, 2013. More
Addison Davis IV, U.S. Army Reserve Command (USARC) command executive officer, receives guests during his farewell ceremony at the USARC headquarters at Fort Bragg, N.C., Sept. 16, 2013. (U.S. Army photo by Ti More