File:PIA21271 - Fans on Crater Rims.jpg
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English: Gas under pressure will choose an easy escape route. In this image, the terrain is covered with a seasonal layer of dry ice.
The weak spots, for gas sublimating from the bottom of the seasonal ice layer to escape, appear to be around craters, where the surface was broken and pulverized by an impact. Fans of surface material deposited on top of the seasonal ice layer show where the escape vents are.The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
|Date||14 June 2016 (published 14 December 2016)|
|Source||Catalog page · Full-res (JPEG · TIFF)|
|Author||NASA/JPL-Caltech/Univ. of Arizona|
|Location on Mars||View this and other nearby images on: Google Maps|
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA21271.
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|This media is a product of the|
Mars Reconnaissance Orbiter mission
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