Security Blanket
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Security Blanket

July 17, 2006

This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows material on the floor of a crater in Noachis Terra, west of Hellas Planitia. Windblown features, both the large, dark-toned sand dunes and smaller, light-toned ripples, obscure and perhaps, protect portions of the crater floor from further modification by erosional processes.

Location near: 45.4°S, 331.2°W

Image width: ~3 km (~1.9 mi)

Illumination from: upper left

Season: Southern Summer

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