NASA Mars Reconnaissance Orbiter HIRISE Images February 8, 2012

– Dunes and Ripples in Valles Marineris http://hirise.lpl.arizona.edu/ESP_025297_1730

Two types of wind-blown sedimentary deposits are pictured in this scene of the floor of Ius Chasma in the Valles Marineris.

– Looking for an Impact Crater on a Dune http://hirise.lpl.arizona.edu/ESP_025481_1385

As of 2011, no craters have been found on Martian dunes, supporting the hypothesis that the dune fields are very young features.

– Phoenix Lander Almost 2 Mars Years after Landing http://hirise.lpl.arizona.edu/ESP_025786_2485

This is one of a series of images to monitor frost patterns at the Phoenix landing site.

– Spirit Lander and Bonneville Crater in Color This is the first time that HiRISE has imaged the Spirit rover in color, on the west side of Bonneville Crater.

http://hirise.lpl.arizona.edu/ESP_025815_1655

All of the HiRISE images are archived here:

http://hirise.lpl.arizona.edu/

Information about the Mars Reconnaissance Orbiter is online at http://www.nasa.gov/mro. The mission is managed by NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology, for the NASA Science Mission Directorate, Washington, D.C. Lockheed Martin Space Systems, of Denver, is the prime contractor and built the spacecraft. HiRISE is operated by the University of Arizona. Ball Aerospace and Technologies Corp., of Boulder, Colo., built the HiRISE instrument.