Did Earth encounter pieces of an alien visitor last night? Apparently so! It appears tiny pieces of Comet Hartley 2 may have presented a spectacular and startling sky show across the country yesterday. NASA meteor experts ...
Space Exploration
Nov 4, 2010
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A NASA spacecraft sped past a small comet Thursday, beaming pictures back to Earth that gave scientists a rare close-up view of its center. Mission controllers burst into applause upon seeing images from the flyby that revealed ...
Space Exploration
Nov 4, 2010
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(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) -- A tumbling comet nucleus with a changing rotational rate has been observed for the first time, according to a new paper by a Planetary Science Institute researcher.
Space Exploration
May 16, 2011
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Exactly one week before the world gets a new look at comet Hartley 2 via NASA's EPOXI mission, observations of the comet by the Arecibo Planetary Radar in Puerto Rico have offered scientists a tantalizing preview.
Space Exploration
Oct 29, 2010
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Comet Hartley 2, is in a hyperactive class of its own compared to other comets visited by spacecraft, says a University of Maryland-led study published in the June 17 issue of the journal Science.
Space Exploration
Jun 16, 2011
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Over the last 40 years, Malcolm Hartley has done just about every possible job for Siding Spring Observatory's UK Schmidt telescope in New South Wales, Australia. The British-born, Scottish-educated Hartley has logged time ...
Space Exploration
Nov 3, 2010
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