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21. Sand Dunes
21. Sand Dunes

The 60 × 40 km deposit in the bottom of this 136-km-diameter crater is a sand dune field. Martian sand dunes commonly occur near the polar regions where climatic conditions favor deposition of windblown material.

Crater located at 48.13° S, 330.62° W; Viking Orbiter frame 51OA46

Right click here to download a high-resolution version of the image (1.84 MB)



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