Tag Archives: oblique

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A piece of Mars: Ripples form endless chevrons in this 600x450 m (0.37x0.30 mi) scene. It's really the crest of a dune that connects all the vertices in the chevrons, making that straight line that runs nearly vertical through the ...

The long, low dune

A piece of Mars: A long, low dune covered in long, linear ripples stretches across the scene (600x450 m; 1969x1476 ft). Dark gray areas on the dune show where sand has most recently moved. A small slip face has formed ...

Lumpy bumpy dunes

A piece of Mars: These funny shaped dunes were formed by winds blowing from two directions - one from the top of the frame and one from the upper right. Both winds make steep slopes (slip faces) on the downwind ...