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The Many Faces of Hartley 2
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The Many Faces of Hartley 2

January 11, 2013
Infrared scans of comet Hartley 2 by NASA's EPOXI mission spacecraft show carbon dioxide, dust, and ice being distributed in a similar way and emanating from apparently the same locations on the nucleus. Water vapor, however, has a different distribution implying a different source region and process. These maps were made from data obtained by the High-Resolution Imager on Nov. 4, 2010. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the EPOXI mission for NASA's Science Mission Directorate, Washington. The University of Maryland, College Park, is home to the mission's principal investigator, Michael A'Hearn. The spacecraft was built for NASA by Ball Aerospace & Technologies Corp., Boulder, Colo. For more information about EPOXI visit http://www.nasa.gov/epoxi and http://epoxi.umd.edu/. Image Credit: NASA/JPL-Caltech/UMD


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