THEMIS: Dark slope streaks

Dark slope streaks in Terra Sabaea (THEMIS_IOTD_20160516)THEMIS Image of the Day, May 16, 2016. Today’s VIS image shows part of the rim of an unnamed crater in Terra Sabaea. Numerous dark streaks are visible. One theory of how the streaks form suggests that a rock or block of material rolls down the slope, removing or disturbing the surface dust and exposing the darker rock underneath.

More THEMIS Images of the Day by geological topic.


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