PIA17929: Giant Gullies North of the Argyre Impact Basin
This image shows numerous dark shapes and bright spots on a sand dune in the Northern polar regions of Mars. This observation is from NASA's Mars Reconnaissance Orbiter.
 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_034829_1325 
 Full-Res TIFF:  PIA17929.tif (15.56 MB)
 Full-Res JPEG:  PIA17929.jpg (857.3 kB)  

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This image shows gullies that are large even by Mars standards, and much larger than the terrestrial landforms we call gullies. The length of some of these is over 6 kilometers (3.6 miles).

They are located on large mountains north of the Argyre impact basin. An enhanced color view (reduced scale) shows only subtle color differences.

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

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

Image Addition Date:
2014-02-22