NASA's Deep Impact studies Hartley 2 comet close-up

Mission controllers from the University of Maryland-led EPOXI mission celebrated last week as NASA's Deep Impact space probe flew close by the Hartley 2 comet, sending back rare and valuable data about the comet. This is only the fifth time that a comet core has been viewed from such a near distance by a space probe, and it is hoped that by understanding comets better we can learn more about the origin and history of our solar system.

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