Fans of space exploration are familiar with the term T-minus, which NASA uses as a countdown to a rocket launch. But what of those noteworthy mission events where you already have a spacecraft in space, as with the upcoming ...
Space Exploration
Oct 5, 2010
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Earlier yesterday, navigators and mission controllers for NASA's EPOXI mission watched their computer screens as 23.6 million kilometers (14.7 million miles) away, their spacecraft successfully performed its 20th trajectory ...
Space Exploration
Sep 30, 2010
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Two amateur astronomers who independently observed and videotaped an asteroid striking the giant planet Jupiter on June 3 have opened the possibility, in effect, of a giant research lab in space for planetary scientists.
Astronomy
Sep 10, 2010
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(PhysOrg.com) -- NASA's Deep Impact spacecraft has beamed down the first of over 64,000 images it will be taking of Comet Hartley 2.
Space Exploration
Sep 8, 2010
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(PhysOrg.com) -- NASA's Deep Impact/EPOXI spacecraft will fly past Earth this Sunday (June 27).
Space Exploration
Jun 25, 2010
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Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.
Astronomy
Mar 11, 2010
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University of Maryland Astronomy Professor Michael A'Hearn, leader of NASA's Deep Impact and EPOXI comet missions is vice-chair of a new report from the National Academy of Sciences on detecting and protecting Earth from ...
Space Exploration
Jan 25, 2010
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(PhysOrg.com) -- NASA reported Thursday that its Lunar Reconnaissance Orbiter, or LRO, has successfully completed its testing and calibration phase and entered its mapping orbit of the moon.
Space Exploration
Sep 17, 2009
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Launched March 2004 and following a 10-year journey across the solar system, the European Space Agency's Rosetta probe made history in 2014. It became the first spacecraft to orbit the nucleus of a comet—a frozen remnant ...
Analytical Chemistry
Nov 1, 2017
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In one of its final mission trajectory correction maneuvers, the EPOXI mission spacecraft has refined its orbit, preparing it for the flyby of comet Hartley 2 on Nov. 4. The time of closest approach to the comet on that day ...
Space Exploration
Oct 28, 2010
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