Epoxi

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• Launch date:  12 January 2005

• Overflight:  4 November 2010

• End of Mission: 1 October 2011

• Agency: NASA

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The EPOXI mission recycled the Deep Impact spacecraft,which had formerly visited comet Tempel 1, to visit a second comet, Hartley 2. The Nov. 4, 2010, flyby marked only the fifth time a comet had been visited by a spacecraft.

Images snapped by the spacecraft uncovered a number of new details about the hyperactive Hartley 2, including observable variations in the strength, behavior and composition of jets on the comet’s surface.