A student from the Maryland School For the Blind explores an object while learning about Meteorites, Asteroids and Comets during NASA's Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in More
A student from the Maryland School For the Blind asks a question while learning about Meteorites, Asteroids and Comets during NASA's Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in Wa More
Students from the Maryland School for the Blind learn about astronauts during NASA's Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in Washignton. Photo Credit: (NASA/Paul E. Alers)
A student from the Maryland School For the Blind explores a braille map during NASA's Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in Washignton. Photo Credit: (NASA/Paul E. Alers)
Students from the Maryland School for the Blind participate in Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in Washington. Photo Credit (NASA/Paul E. Alers)
Space shuttle Enterprise, mounted atop a NASA 747 Shuttle Carrier Aircraft (SCA), is seen as it taxis at John F. Kennedy Airport, Friday, April 27, 2012, in New York. Enterprise was the first shuttle orbiter bu More
Apollo 17 astronaut Gene Cernan, the last man to walk on the moon, speaks during a memorial service celebrating the life of Neil Armstrong at the Washington National Cathedral, Thursday, Sept. 13, 2012. Armstro More
Musician Diana Krall sings ""Fly Me to the Moon" during a memorial service celebrating the life of Neil Armstrong at the Washington National Cathedral, Thursday, Sept. 13, 2012. Armstrong, the first man to walk More
NASA employees and contractors crowd together to get a glimpse of space shuttle Atlantis (STS-135) as it rolls toward the Orbiter Processing Facility (OPF) at a wheels stop event, Thursday, July 21, 2011, at NA More
Dr. Michael A'Hearn, Principal Investigator, EPOXI Comet Encounter Mission, speaks during a symposium commemorating a quarter-century of comet discoveries, Friday, Sept. 10, 2010, in the Knight studio at the Ne More
Queen Elizabeth II speaks with STS-116 astronaut Nicholas Patrick, back to camera, as NASA Administrator Michael Griffin, right, looks on at the NASA's Goddard Space Flight Center, Wednesday, May 8, 2007, in Gr More
Dr. Stephen Hawking, a professor of mathematics at the University of Cambridge, delivers a speech entitled "Why we should go into space" during a lecture that is part of a series honoring NASA's 50th Anniversar More
Dr. Stephen Hawking, a professor of mathematics at the University of Cambridge, left, and his daughter Lucy Hawking talk about their co-authored children's book "George's Secret Key to the Universe" Monday, Apr More
Charles Miller talks during a media briefing to discuss the upcoming Orbiting Carbon Observatory mission, the first NASA spacecraft dedicated to studying carbon dioxide, Thursday, Jan. 29, 2009, at NASA Headqua More
Panelists are seen during a media briefing to discuss the upcoming Orbiting Carbon Observatory mission, the first NASA spacecraft dedicated to studying carbon dioxide, Thursday, Jan. 29, 2009, at NASA Headquart More
Ralph Basilio talks during a media briefing to discuss the upcoming Orbiting Carbon Observatory mission, the first NASA spacecraft dedicated to studying carbon dioxide, Thursday, Jan. 29, 2009, at NASA Headquar More
Anna Michalak, an Orbiting Carbon Observatory science team member from the University of Michigan, Ann Arbor, speaks during a media briefing to discuss the upcoming Orbiting Carbon Observatory mission, the firs More
Eric Ianson speaks during a media briefing to discuss the upcoming Orbiting Carbon Observatory mission, the first NASA spacecraft dedicated to studying carbon dioxide, Thursday, Jan. 29, 2009, at NASA Headquart More
NASA chief historian Steven Dick, seated left, along with John Logsdon, Roger Launius, Michael Neufeld, Cristina Guidi and Craig Nelson, are seen at an Apollo History and Legacy roundtable discussion, Thursday, More
John Logsdon, Charles A. Lindbergh chair in aerospace history at the Smithsonianan, left, speaks as other panelists look on during an Apollo History and Legacy roundtable discussion, Thursday, July 16, 2009, at More
Craig Nelson, author of "Rocket Men: The Epic Story of the First Men on the Moon" speaks during an Apollo History and Legacy roundtable discussion, Thursday, July 16, 2009, at NASA Headquarters in Washington. P More
Michael Neufeld, chair of the division of space history at the National Air and Space Museum, speaks during an Apollo History and Legacy roundtable discussion, Thursday, July 16, 2009, at NASA Headquarters in W More
Roger Launius, senior curator in space history at the National Air and Space Museum makes a point during an Apollo History and Legacy roundtable discussion, Thursday, July 16, 2009, at NASA Headquarters in Wash More
NASA chief historian Steven Dick, seated left, shares a laugh with panelists John Logsdon, Roger Launius, Michael Neufeld, Cristina Guidi and Craig Nelson, at an Apollo History and Legacy roundtable discussion, More
John Logsdon, Charles A. Lindbergh chair in aerospace history at the Smithsonian, emphasizes a point during an Apollo History and Legacy roundtable discussion, Thursday, July 16, 2009, at NASA Headquarters in W More
Cristina Guidi, deputy director, Constellation Systems Division, Exploration Systems Mission Directorate, NASA Headquarters, speaks during an Apollo History and Legacy roundtable discussion, Thursday, July 16, More
Apollo 12 astronaut Alan Bean responds to a question during a live television interview on Monday, July 20, 2009, at NASA Headquarters in Washington. Bean was lunar module pilot on Apollo 12, man's second lunar More
Apollo 11 astronaut Buzz Aldrin, the second man to walk on the Moon, seated left, responds to a question during a live television interview on Monday, July 20, 2009, at NASA Headquarters in Washington as Apollo More
Astronaut James Lovell (Apollo 8 Apollo 13), center, flanked by Walt Cunningham (Apollo 7), left, and David Scott (Apollo 9 Apollo 15) responds during the 40th anniversary of the Apollo 11 mission and the walk More
Apollo astronauts from left, Walt Cunningham (Apollo 17), James Lovell (Apollo 8 Apollo 13), David Scott (Apollo 9 Apollo 15), Buzz Aldrin (Apollo 11), Charles Duke (Apollo 16), Thomas Stafford (Apollo 10) and More
Apollo 16 astronaut Charles Duke responds to a question during a live television interview on Monday, July 20, 2009, at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)
Eugene Cernan (Apollo 17) speaks during the 40th anniversary of the Apollo 11 mission and the walk on the moon press conference, Monday, July 20, 2009, at NASA Headquarters in Washington. Photo Credit: (NASA/Pa More
Astronaut James Lovell (Apollo 8 Apollo 13) gestures during the 40th anniversary of the Apollo 11 mission and the walk on the moon press conference, Monday, July 20, 2009, at NASA Headquarters in Washington. Ph More
Apollo astronaut Alan Bean, center, laughs at a comment made by Apollo astronaut Charles Duke, right, as Apollo astronaut Buzz Aldrin, left, looks on during a live television interview on Monday, July 20, 2009, More
Apollo 11 astronaut Buzz Aldrin, the second man to walk on the Moon, responds to a question during a live television interview on Monday, July 20, 2009, at NASA Headquarters in Washington. Monday marked the 40t More
Walt Cunningham (Apollo 7) speaks during the 40th anniversary of the Apollo 11 mission and the walk on the moon press conference, Monday, July 20, 2009, at NASA Headquarters in Washington. Photo Credit: (NASA/P More
Alan Boss, an astrophyscist at the Carnegie Institution at the Department of Terrestrial Magnetism speaks during a press conference, Thursday, Aug. 6, 2009, at NASA Headquarters in Washington about the scientif More
William Bo-Ricki, Kepler principal investigator at NASA's Ames Research Center, second from left, speaks during a press conference, Thursday, Aug. 6, 2009, at NASA Headquarters in Washington about the scientifi More
Sara Seager, Professor of Planetary Science at the Massachusetts Institute of Technology, speaks during a press conference, Thursday, Aug. 6, 2009, at NASA Headquarters in Washington about the scientific observ More
Jon Morse, NASA's Astrophysics Division Director, left, speaks during a press conference, Thursday, Aug. 6, 2009, at NASA Headquarters in Washington about the scientific observations coming from the Kepler spac More
William Bo-Ricki, Kepler principal investigator at NASA's Ames Research Center, second from left, is joined by Jon Morse, left, Sara Seager, and Alan Boss while speaking at a press conference, Thursday, Aug. 6, More
Jon Morse, Astrophysics Division Director, NASA Headquarters, left, is seen Thursday, Aug. 6, 2009 at a press conference at NASA Headquarters in Washington where he along with William Bo-Ricki, principal invest More
William Bo-Ricki, Kepler principal investigator at NASA's Ames Research Center, speaks during a press conference, Thursday, Aug. 6, 2009, at NASA Headquarters in Washington about the scientific observations com More
Bohdan Bejmuk, chair, Constellation program Standing Review Board, and former manager of the Boeing Space Shuttle and Sea Launch programs, right, asks a question during the final meeting of the Human Space Fli More
Dr. Wanda Austin, president and CEO of the Aerospace Corp., left, asks a question during the final meeting of the Human Space Flight Review Committee, Wednesday, Aug. 12, 2009, in Washington as committee member More
Norman Augustine, chair, listens to a speaker's presentation during the final meeting of the Human Space Flight Review Committee, Wednesday, Aug. 12, 2009, in Washington. Photo Credit: (NASA/Paul E. Alers)
Members of the Human Space Flight Review Committee from left, Jeffrey Greason, Dr. Christopher Chyba, Dr. Leroy Chiao, Dr. Sally Ride, Norman Augustine (chair), Philip McAllister, Dr. Edward Crawley, Dr. Wanda More
Dr. Edward Crawley, Ford Professor of Engineering at MIT and co-chair, NASA Exploration Technology Development Program Review Committee speaks during the final meeting of the Human Space Flight Review Committee More
Former astronaut Dr. Sally Ride, left, confers with Norman Augustine, chair, prior to the start of the final meeting of the Human Space Flight Review Committee, Wednesday, Aug. 12, 2009, in Washington. Photo C More
STS-125 crew members from left, Commander Scott Altman, Pilot Gregory Johnson, Mission Specialist Michael Good, Mission Specialist Megan McArthur, Mission Specialist John Grunsfeld, Mission Specialist Michael M More
STS-125 Mission Specialist Andrew Feustel, right, shows a part from the Hubble Space Telescope to retired astronaut Loren Shriver, who flew on the Hubble deployment mission STS-31 in 1990, following a press con More
STS-125 crew member John Grunsfeld, left, looks on as crew member Michael Massimino holds up a part that was replaced on the Hubble Space Telescope, during a press conference, Wednesday, Sept. 9, 2009, after as More
Scott Altman, who commanded the STS-125 mission to the Hubble Space Telescope, speaks during a press conference, Wednesday, Sept. 9, 2009, after astronomers declared the telescope a fully rejuvenated observator More
Scott Altman, who commanded the STS-125 mission to the Hubble Space Telescope, far left on stage, speaks during a press conference, Wednesday, Sept. 9, 2009, after astronomers declared the telescope a fully rej More
NASA Administrator Charles F. Bolden speaks to students during a visit to Davis Elementary School, Friday, Sept. 11, 2009, in Washington. Bolden spent time with approximately 120 students in third, fourth and f More
NASA Administrator Charles F. Bolden reads a passage from the book "Can You Fly High Wright Brothers?" while visiting with students at Davis Elementary School, Friday, Sept. 11, 2009, in Washington. Bolden spen More
NASA Adminiistrator Charles F. Bolden, left, and Jean-Jacques Dordain, Director General of the European Space Agency (ESA), shake hands, Friday, Sept. 11, 2009, after signing a Space Transportation Memorandum o More
STS-127 Commander Mark Polansky, left, shakes hands with Canadian Ambassador to the United States Michael Wilson after presenting him with a montage as Canadian Space Agency astronaut Julie Payette, seated cent More
Canadian Space Agency astronaut Julie Payette, a mission specialist on STS-127, talks about her experiences on the mission during a presentation at the Canadian Embassy in Washington on Tuesday, Sept. 22, 2009. More
Canadian Space Agency astronaut Julie Payette, right, a mission specialist on STS-127, talks with two unidentified students during a visit to Anne Beers Elementary school, Thursday, Sept. 24, 2009, in Washingto More
Students, including Marcus Pratt, left, and Ajani Young, second from left, pay close attention as the crew from STS-127 makes their presentation during a visit to Anne Beers Elementary school, Thursday, Sept. 2 More
STS-127 Commander Mark Polansky, left, looks on as crew member David Wolf answer a question during a presentation to White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sep More
STS-127 Commander Mark Polansky, at podium, speaks to White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sept. 24, 2009. Seated from left are crew members Christopher Cass More
Students and teachers look on as STS-127 Commander Mark Polansky, seated left on stage talks about the mission to the International Space Station as other crew members Chris Cassidy, Doug Hurley, David Wolf, To More
Canadian Space Agency astronaut Julie Payette, a mission specialist on STS-127, at podium, speaks to White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sept. 24, 2009. Se More
Ajani Young, a fourth grade student at Anne Beers Elementary school, at podium, introduces the crew of STS-127 during their visit, Thursday, Sept. 24, 2009, in Washington. Seated from left are crew members, Chr More
Thomas Tate, a third grade student at Anne Beers Elementary school, asks a question following a presentation by the crew of STS-127, Thursday, Sept. 24, 2009, in Washington. Photo Credit: (NASA/Paul E. Alers)
STS-127 Commander Mark Polansky, center, speaks to students during a visit to Anne Beers Elementary school, Thursday, Sept. 24, 2009, in Washington. Polansky, along with the rest of the crew from STS-127, visit More
STS-127 Commander Mark Polansky speaks to White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sept. 24, 2009. Photo Credit: (NASA/Paul E. Alers)
STS-127 Commander Mark Polansky, standing left, talks about the recent mission to White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sept. 24, 2009. Seated from left are c More
STS-127 Commander Mark Polansky, at podium, and crew member David Wolf, standing right, answer questions from White House interns at the Eisenhower Executiive Office Building in Washington, Thursday, Sept. 24, More
NASA Administrator Charles Bolden, right, and Deputy Administrator Lori Garver speak to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Pho More
NASA Administrator Charles Boldenl left, speaks as Deputy Administrator Lori Garver looks on at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: More
Retired Marine Corps Gen. Anthony Zinni, Chairman of the Board at BAE Systems, speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Ph More
NASA Administrator Charles Bolden speaks to those gathered at the 2009 NASA Executive Summit, Tuesday, Oct. 6, 2009, at the Ronald Reagan Building in Washington. (Photo Credit: (NASA/Paul E. Alers)