NASA Mission Successfully Flies by Comet Hartley 2

This image was captured by NASA's EPOXI mission between Nov. 3 and 4, 2010, during the spacecraft's flyby of comet Hartley 2. It was captured using the spacecraft's Medium-Resolution Instrument. Courtesy NASA/JPL-Caltech/UMD (Courtesy NASA/JPL-Caltech/UMD)