HRSC: Crossing the high/low boundary on Mars

Cydonia_Mensae_perspective_view_node_full_image_2On the boundary between the heavily cratered southern highlands and the smooth northern lowlands of Mars is an area rich in features sculpted by water and ice. Cydonia Mensae is a region of mesa-like structures, craters and otherwise smooth terrain. It is home to the so-called ‘Face on Mars’ seen in NASA’s Viking 1 images, but long since known from subsequent higher-resolution imaging to be just an eroded mesa. The portion of the Cydonia Mensae region shown here lies to the southeast of the Face, and was imaged by ESA’s Mars Express on 19 November 2014… [More at link]

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