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PIA11777: A Fresh Crater near Sirenum Fossae
This impact crater, as seen by NASA's Mars Reconnaissance Orbiter, appears relatively recent as it has a sharp rim and well-preserved ejecta.
 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  
Information: 		 Other products from image ESP_040663_1415 
 Full-Res TIFF:  PIA11777.tif (15.56 MB)
 Full-Res JPEG:  PIA11777.jpg (750.4 kB)  

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This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta.

The steep inner slopes are carved by gullies and include possible recurring slope lineae on the equator-facing slopes. Fresh craters often have steep, active slopes, so we are monitoring this crater for changes over time.

The bedrock lithology is also diverse. The crater is a little more than 1-kilometer wide.

Note: When we say "fresh," we mean on a geological scale. The crater is quite old on a human scale.

The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colorado. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project and Mars Science Laboratory Project for NASA's Science Mission Directorate, Washington.

Image Credit:
NASA/JPL-Caltech/Univ. of Arizona

Image Addition Date:
2015-06-03