NASA Mars Reconnaissance Orbite HIRISE Images November 7, 2012

Press Release From: Jet Propulsion Laboratory
Posted: Friday, November 9, 2012

- Topography of Moving Dunes in Nili Patera

Many HiRISE targets are imaged twice, close together in time, with each image having a different viewing angle, allowing us to create a digital elevation model, or DEM.

- The First Day of Southern Spring

Like the Earth, Mars is tilted on its axis, and the sun crosses the equator twice each year. On Earth we call this the equinox.

- A New Impact Site

What's unusual about this site is that it isn't as dusty as most places where new impacts are discovered.

- Compositionally Diverse Bedrock

Regolith, particulate fragmented rock and fine grained soils, generally covers most of the surface of Mars.

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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