Last updated on April 20, 2014 at 1:20 EDT
Active Sand in Nili Patera
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Active Sand in Nili Patera

June 9, 2011
The resolution and ability of the HiRISE camera to take multiple images of the same target has allowed scientists to monitor and detect small-scale changes on the surface of Mars over time.

Some of the linear ripples on these large crescent-shaped dunes in the Nili Patera region are moving, confirming they are active in the current climate conditions.

Written by: Sharon Wilson