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Tempel 1 and Hartley 2

Target Name:  Comet Hartley 2, Comet Tempel 1
Spacecraft:  Deep Impact (DIXI)
Instrument:  Medium Resolution Instrument (MRI)
Produced by:  NASA/JPL-Caltech/UMD
Copyright: NASA Copyright Free Policy
Cross Reference:  PIA13629
Date Taken:  2010-11-04

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NameTypeWidth x HeightSize
PIA13629.jpgJPEG1280 x 72045K
PIA13629.tifTIFF1280 x 720238K

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.

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