HiRISE (NASA)  

River of Sand

Viewed through HiRISE infrared color, the basaltic sand lining the fissures’ floor stands out as deep blue against the light-toned dust covering the region. This gives the viewer an impression of a river cutting through the Martian plains. 

NASA/JPL/University of Arizona
uahirise.org/ESP_045081_1875

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@HiRISE - very cool

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