PIA13626: Tracking "Snowballs"
 Target Name:  Hartley 2
 Is a satellite of:  Sol (our sun)
 Mission:  EPOXI
 Spacecraft:  Deep Impact (DIXI)
 Instrument:  Medium Resolution Instrument (MRI)
 Product Size:  864 x 625 pixels (w x h)
 Produced By:  University of Maryland
 Full-Res TIFF:  PIA13626.tif (540.8 kB)
 Full-Res JPEG:  PIA13626.jpg (48.6 kB)

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This movie shows the motion of some icy particles in the cloud around Hartley 2, as seen by NASA's EPOXI mission spacecraft. A star moving through the background is marked with red and moves in a particular direction and with a particular speed, while the icy particles move in random directions. The icy particles are marked in green, blue and light blue.

The images for the movie were obtained by the Medium-Resolution Imager on Nov. 4, 2010, the day the EPOXI mission spacecraft made its closest approach to the comet.

For more information about EPOXI visit http://www.nasa.gov/epoxi and http://epoxi.umd.edu/.

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