Map Projected Browse Image
Click on image for larger version| The map is projected here at a scale of 25 centimeters (9.8 inches) per pixel. [The original image scale is 37.1 centimeters (14.6 inches) per pixel (with 1 x 1 binning); objects on the order of 95 centimeters (37.4 inches) across are resolved.] North is up. |
This image from NASA's Mars Reconnaissance Orbiter (MRO) shows the permanent polar cap of Mars, encircled by sand dunes and looking like pulled threads, these dunes march across a fabric of patterned ground.
At this time of the Martian year the dunes are free of the seasonal dry ice that forms a temporary cover every winter.
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 Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
