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Stair-Stepped Hills

terraced hills and dunes seen from above
Source: NASA/JPL/University of Arizona
Published: December 2, 2019
Historical Date: May 25, 2018

The wonders of time and erosion are on full display in this image of layered hills in Arabia Terra, Mars, as imaged by the HiRISE camera aboard NASA's Mars Reconnaissance Orbiter. Along with the hills, we see dark dunes that the HiRISE team is monitoring for activity due to the wind.

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