Welcome to Bagnold: Curiosity rover reaches massive dark sand dunes near Mount Sharp

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View overlooking part of High Dune, which is covered in smaller sand ripples. The image is white-balanced, to show how the scene would look under more Earth-like conditions. Image Credit: NASA/JPL-Caltech

Since landing in 2012, the Curiosity rover has seen a lot of varied terrain within Gale crater, including ancient riverbed gravel, sandstone and mudstone rock outcrops, sand ripples finely sculpted by the Martian wind, and, of course, Mount Sharp looming above. Now the rover has reached a new type of landform previously only seen from orbit: a field of huge sand dunes.

Read MoreWelcome to Bagnold: Curiosity rover reaches massive dark sand dunes near Mount Sharp