PIA13629: Tempel 1 and Hartley 2


Tempel 1 and Hartley 2

Caption:

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.

Background Info:

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

Cataloging Keywords:

Name Value Additional Values
Target 9P/Tempel 103P/Hartley
System Periodic Comets
Target Type Comet
Mission Deep Impact
Instrument Host Deep Impact
Host Type Impactor
Instrument Medium Resolution Instrument (MRI)
Detector
Extra Keywords Grayscale, Impact
Acquisition Date
Release Date 2010-11-18
Date in Caption 2005-07-04 2010-11-04
Image Credit NASA/JPL-Caltech/UMD
Source photojournal.jpl.nasa.gov/catalog/PIA13629
Identifier PIA13629