HiRISE 3D: Troughs and Ridges in Chryse Planitia
Wide troughs with a narrow ridge running down the middle. How did these form? (The black bar represents unrecoverable data that could not be processed.)
https://www.uahirise.org/anaglyph/ESP_067955_2110_ESP_072492_2110_RED
NASA/JPL-Caltech/UArizona
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