Arnus Vallis Layers, as seen by hirise.  Location is 12.5 degrees north latitude and 70 degrees east longitude.  Scale bar is 500 meters long. Image was taken by the Mars Reconnaissance Orbiter's HiRISE. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona. Image courtesy NASA/JPL/University of Arizona.
Jim Secosky modified nasa image.
2009-04-29
<a rel="nofollow" class="external free" href="http://hirise.lpl.arizona.edu/PSP_007187_1925">http://hirise.lpl.arizona.edu/PSP_007187_1925</a>