NASA Mars Reconnaissance Orbiter HIRISE Images May 1, 2013

Status Report From: Jet Propulsion Laboratory
Posted: Friday, May 3, 2013

- Olivine-Bearing Dune Fields and Wall Rock in Coprates Chasma

Olivine is highly susceptible to weathering by aqueous processes indicating these dunes and the wall debris formed after any such activity.

- Sedimentary Bedrock Diversity in Terby Crater

Terby Crater, sitting on the northern rim of Hellas Basin, has been filled by sedimentary deposits, perhaps deposited by or in water.

- Mystery Martian Morphology of the Month

This image covers many shallow irregular pits with raised rims, concentrated along ridges and other topographic features. How did these odd features form?

- Watch for Falling Rocks!

When boulders roll down a dusty Martian slope, they can leave long, dotted tracks behind on the slope surface.

All of the HiRISE images are archived here:

Information about the Mars Reconnaissance Orbiter is online at 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.

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