PIA13629: Tempel 1 and Hartley 2
 Target Name:  Tempel 1
 Is a satellite of:  Sol (our sun)
 Mission:  EPOXI
 Spacecraft:  Deep Impact (DIXI)
 Instrument:  Medium Resolution Instrument (MRI)
 Product Size:  1280 x 720 pixels (w x h)
 Produced By:  University of Maryland
 Full-Res TIFF:  PIA13629.tif (922.8 kB)
 Full-Res JPEG:  PIA13629.jpg (39.88 kB)

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This image shows the nuclei of comets Tempel 1 and Hartley 2, as imaged by NASA's Deep Impact spacecraft, which continued as an extended mission known as EPOXI.

Tempel 1 is five times larger than Hartley 2. Visible jets are easily seen in images of Hartley 2, but required extensive processing to be seen in images of Tempel 1.

Tempel 1 is 7.6 kilometers (4.7 miles) in the longest dimension. Hartley 2 is 2.2 km (1.4 miles) long.

The Tempel 1 image was built up from more than 25 images captured by the impactor targeting sensor on July 4, 2005. The Hartley 2 image was obtained by the Medium- Resolution Imager on Nov. 4, 2010.

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

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