Halo-Navcam (IMAGE)

DOE/Los Alamos National Laboratory

Halo-Navcam

Caption

This is a mosaic of images from the navigation cameras on the NASA Curiosity rover shows 'halos' of lighter-toned bedrock around fractures. These halos comprise high concentrations of silica and indicate that liquid groundwater flowed through the rocks in Gale crater longer than previously believed.

Credit

NASA/JPL-Caltech

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