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Cracked Mars

June 25, 2006
NASA's Mars Global Surveyor shows v-shaped troughs in the Hephaestus Fossae region of Mars. Light-toned, windblown ripples reside in the very lowest parts of the troughs, as well as on the cratered upland outside the troughs.

25 June 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows v-shaped troughs in the Hephaestus Fossae region of Mars. Light-toned, windblown ripples reside in the very lowest parts of the troughs, as well as on the cratered upland outside the troughs. Boulders and other types of debris, which were derived from the layered rock exposed near the top of the troughs, are seen resting on the trough floors and perched on the sloping trough walls.

Location near: 21.1°N, 236.7°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Spring

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