PIA23852: Two Young Craters
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Mars Reconnaissance Orbiter (MRO)
 Spacecraft:  Mars Reconnaissance Orbiter (MRO)
 Instrument:  HiRISE
 Product Size:  2880 x 1800 pixels (w x h)
 Produced By:  University of Arizona/HiRISE-LPL
Other products from ESP_063947_2310
 Full-Res TIFF:  PIA23852.tif (15.24 MB)
 Full-Res JPEG:  PIA23852.jpg (957 kB)

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This image caught two different targets at once! In the top (northern) part there is a geologically-young crater about 300 meters in diameter, with rocky ejecta. The crater looks very fresh and steep and is not buried or filled in with the smooth deposits that cover the region. Craters like this tell us what is in the shallow subsurface and are very valuable for understanding the geology.

In the bottom (southern) part is a smaller crater, only about 15 meters across. This one is even younger, having formed between 2008 and 2010, when it was detected by MRO's Context Camera. The smaller crater exposed subsurface ice, and HiRISE has been re-imaging it to see how it changes as the ice slowly sublimates away. Compare this image to ESP_017926_2310 to see what has happened in the last decade!

The map is projected here at a scale of 25 centimeters (9.8 inches) per pixel. (The original image scale is 30.3 centimeters [11.9 inches] per pixel [with 1 x 1 binning]; objects on the order of 91 centimeters [35.8 inches] across are resolved.) North is up.

The University of Arizona, in Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., in Boulder, Colorado. 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.

Image Credit:
NASA/JPL-Caltech/University of Arizona

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