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Last updated on April 17, 2014 at 12:58 EDT
Lycus Sulci
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Lycus Sulci

December 25, 2005

This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows dark slope streaks formed on dust-mantled mountains of the Lycus Sulci region, west of the giant volcano, Olympus Mons. Despite their fluid-like appearance, dark slope streaks form in very dry dust.

Location near: 18.3°N, 142.4°W

Image width: ~3 km (~1.9 mi)

Illumination from: lower left

Season: Northern Winter