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EPOXI Data Reveals Comet's Secrets

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Published on Nov 18, 2010

Scientists say the data collected by the EPOXI mission of comet Hartley 2 are as revealing as the pictures taken on the spacecraft's recent flyby. The spacecraft passed Hartley 2 at an altitude of about 435 miles from the comet's surface, close enough to reveal details of its nucleus and give scientists the most extensive look at a comet in history. Comets are remnants of the formation of our solar system more than 4-and-a-half-billion years old.

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