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This perspective view of Crater Galle was obtained by the HRSC on ESA's Mars Express and has a ground resolution ranging from 10-20 metres per pixel. The image shows several parallel gullies, possible evidence for liquid water on the Martian surface, which originate at the inner crater walls of the southern rim. This perspective view was calculated from a mosaic of digital terrain models derived from the HRSC stereo channels. Credits: ESA/DLR/FU Berlin (G. Neukum)
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