Etched Terrain in Terra Meridiani
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Etched Terrain in Terra Meridiani

October 12, 2009
Eroded, or "etched" terrain dominates the field of view of this THEMIS visible image acquired over eastern Terra Meridiani. At the bottom of many craters and in other areas, dunes are present. On the left hand side of the image, a darker layer embays the etched terrain. Several knobs from the etched terrain can still be seen, though, indicating that this layer is rather thin.

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