Two movies derived from images taken by the two cameras aboard NASA's EPOXI mission spacecraft show comet Hartley 2 is, as expected, quite active, and it provides information on the nucleus's rotation. The spacecraft has ...
Space Exploration
Nov 2, 2010
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(PhysOrg.com) -- NASA's EPOXI mission continues to close in on its target, comet Hartley 2, at a rate of 12.5 kilometers (7.8 miles) per second. On Nov. 4 at about 10:01 a.m. EDT (7:01 a.m. PDT) the spacecraft will make its ...
Space Exploration
Oct 27, 2010
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(PhysOrg.com) -- Here are five quick facts about the EPOXI mission, scheduled to fly by comet Hartley 2 on Nov. 4, 2010.
Space Exploration
Oct 25, 2010
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Just three days shy of one year before its planned flyby of comet Tempel 1, NASA's Stardust spacecraft has successfully performed a maneuver to adjust the time of its encounter by eight hours and 20 minutes. The delay maximizes ...
Space Exploration
Feb 18, 2010
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Comets contained vast oceans of liquid water in their interiors during the first million years of their formation, a new study claims.
Space Exploration
Jul 30, 2009
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