(PhysOrg.com) -- At the heart of every comet lies a remnant of the dawn of the solar system. Or is that remnants? Astronomers don't know, but the answer would give them a clearer picture of exactly how comets were born eons ...
Space Exploration
May 17, 2011
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(PhysOrg.com) -- NASA's Stardust spacecraft returned new images of a comet showing a scar resulting from the 2005 Deep Impact mission. The images also showed the comet has a fragile and weak nucleus.
Space Exploration
Feb 16, 2011
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A NASA spacecraft's flyby with a comet showed erosion on the Tempel 1's surface since it skimmed by the Sun in 2005, and revealed Tuesday the first clear pictures of the crater made by a Deep Impact probe.
Space Exploration
Feb 15, 2011
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(PhysOrg.com) -- Mission controllers at NASA's Jet Propulsion Laboratory, Pasadena, Calif., watched as data downlinked from the Stardust spacecraft indicated it completed its closest approach with comet Tempel 1.
Space Exploration
Feb 15, 2011
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(PhysOrg.com) -- In the beginning, both couples seemed meant for each other.
Space Exploration
Feb 8, 2011
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(PhysOrg.com) -- Eighty-six days out from its appointment with a comet, NASA's Stardust spacecraft fired its thrusters to help refine its flight path. The Stardust-NExT mission will fly past comet Tempel 1 next Valentine's ...
Space Exploration
Nov 23, 2010
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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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NASA's Deep Impact/EPOXI spacecraft is hurtling toward Comet Hartley 2 for a breathtaking 435-mile flyby on Nov. 4th. Mission scientists say all systems are go for a close encounter with one of the smallest yet most active ...
Space Exploration
Oct 18, 2010
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(PhysOrg.com) -- NASA's Deep Impact/Epoxi spacecraft successfully performed a maneuver to refine its orbit prior to an upcoming Earth flyby June 27.
Space Exploration
May 31, 2010
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