Gully formations on Mars

Gully formations on Mars

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Credit: NASA/JPL/UNIVERSITY OF ARIZONA/SCIENCE PHOTO LIBRARY

Caption: Gully formations on Mars. Mars Reconnaissance Orbiter image of gullies on the side of Gasa Crater in the Southern mid-latitudes of Mars. Gullies are narrow channels formed by the downward flow of sediment deposits on steep slopes. The absence of impacts suggests the gullies were formed relatively recently and indicate that water was present on Mars. Image obtained by the High Resolution Imaging Science Experiment (HiRISE) camera on 23rd December 2010.

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Keywords: 21st century, 23rd december 2010, channel, channels, crater, crater side, eroded, erosion, geographical, geography, geological, geology, gully, high resolution imaging, hirise, impact, mars, mars exploration, mars reconnaissance orbiter, martian, mro, planet, planetary science, satellite, satellite image, science experiment, solar system, surface, water

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