This Chandra X-ray Observatory image of the Hydra A galaxy cluster was taken on Oct. 30, 1999, with the Advanced CCD Imaging Spectrometer (ACIS) in an observation that lasted about six hours.
Astronomy
Oct 31, 2014
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When the space shuttle Columbia disintegrated on re-entry in 2002, sophisticated computer models were key to determining what happened.
Computer Sciences
Aug 4, 2014
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On July 23, 1999, a little more than seven hours after Space Shuttle Columbia and its five astronauts were launched from the Kennedy Space Center, NASA's Chandra X-Ray Observatory was successfully deployed by the STS-93 crew. ...
Space Exploration
Jul 24, 2014
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With somber ceremonies, the United States on Friday commemorated the loss of the space shuttle Columbia and its seven-member crew on the tenth anniversary of the disaster.
Space Exploration
Feb 1, 2013
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NASA will honor the seven astronauts who perished when the space shuttle Columbia was destroyed 10 years ago.
Space Exploration
Feb 1, 2013
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NASA lost the space shuttle Columbia 10 years ago Friday and 12 children lost a parent.
Space Exploration
Jan 30, 2013
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The crew of Atlantis prepared to link up with the International Space Station Sunday as part of the final mission of the US space shuttle program.
Space Exploration
Jul 10, 2011
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The Atlantis crew on Saturday inspected the craft's thermal protection system, the outer barrier that protects it from the searing heat upon re-entry into the earth's atmosphere, NASA said.
Space Exploration
Jul 9, 2011
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(AP) -- Usually space shuttle astronauts are awakened in orbit by a song sent by a loved one. But not much is routine for the final space shuttle flight, not even a wake-up call.
Space Exploration
Jul 9, 2011
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NASA is examining seven heat shield tiles that appear to have been damaged during the shuttle Endeavour's ascent into orbit, but the US space agency said Wednesday there was no cause for concern.
Space Exploration
May 18, 2011
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