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Attēls:PIA13862 Tempel 1 annotated.jpg

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This image layout depicts changes in the surface of comet Tempel 1, observed first by NASA's Deep Impact Mission in 2005 (top right) and again by NASA's Stardust-NExT mission on Feb. 14, 2011 (bottom right). Between the two visits, the comet made one trip around the sun. The image at top left is a wider shot from Deep Impact.

The smooth terrain is at a higher elevation than the more textured surface around it. Scientists think that cliffs, illustrated with yellow lines to the right, are being eroded back to the left in this view. The cliffs appear to have eroded as much as 20 to 30 meters (66 to 100 feet) in some places, since Deep Impact took the initial image. The box shows depressions that have merged together over time, also from erosion. This erosion is caused by volatile substances evaporating away from the comet.

Stardust-NExT is a low-cost mission that will expand the investigation of comet Tempel 1 initiated by NASA's Deep Impact spacecraft. JPL, a division of the California Institute of Technology in Pasadena, manages Stardust-NExT for the NASA Science Mission Directorate, Washington, D.C. Joe Veverka of Cornell University, Ithaca, N.Y., is the mission's principal investigator. Lockheed Martin Space Systems, Denver, built the spacecraft and manages day-to-day mission operations.

For more information about Stardust-NExT, please visit http://stardustnext.jpl.nasa.gov.

The original NASA image has been modified by addition of dates to the TIFF version and conversion to JPEG format.
Datums and 2005-07-04
Avots http://photojournal.jpl.nasa.gov/catalog/PIA13862
Autors NASA / JPL-Caltech / Cornell
Citas versijas File:PIA13863 Tempel 1.jpg - unannotated version
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA13862.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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tagadējais2015. gada 4. jūlijs, plkst. 20.022015. gada 4. jūlijs, plkst. 20.02 versijas sīktēls890 × 680 (213 KB)WolfmanSFAdd dates to TIFF version and convert to JPEG
2011. gada 17. februāris, plkst. 21.152011. gada 17. februāris, plkst. 21.15 versijas sīktēls890 × 680 (52 KB)WolfmanSF{{Information |Description=This image layout depicts changes in the surface of comet Tempel 1, observed first by NASA's Deep Impact Mission in 2005 (top right) and again by NASA's Stardust-NExT mission on Feb. 14, 2011 (bottom right). Between the two visi

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