Dark streaks mark the steep slopes of this ridge located east of Mangala Valles as seen by NASA's 2001 Mars Odyssey spacecraft.

Context image for PIA17512
Context image

Dark streaks mark the steep slopes of this ridge located east of Mangala Valles. One theory about the creation of this feature is that downslope movement of a rock "clears" the brighter dust revealing the darker surface below.

Orbit Number: 51688 Latitude: -17.0589 Longitude: 211.394 Instrument: VIS Captured: 2013-08-08 22:02

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

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