Credit: NASA/JPL - Caltech/Univ. of Arizona/SCIENCE PHOTO LIBRARY

Caption: Seasonal flows on Mars. View of areas of seasonal flows on steep slopes of the Martian surface. These flows have characteristics consistent with shallow seeps of salty water. They are located within Coprates Chasma, which is part of the vast Valles Marineris canyon system. The image covers an area of ground 536 metres wide. These flows are called recurring slope lineae because they fade during cold seasons and reappear in warm seasons. The flows seen here are on a north-facing slope, and active in northern-hemisphere spring. They begin at the relatively bright bedrock and flow onto sandy fans following linear channels. Valles Marineris contains many of these flows. Imagery is from the NASA Mars Reconnaissance Orbiter's High Resolution Imaging Science Experiment (HiRISE), July 21, 2015,.

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Keywords: 10 seconds or greater, 2015, 21 07 2015, 21 july 2015, 21st century, across, astronomical, astronomy, brine, briny, coprates chasma, deposit, evidence, feature, flow, garni crater, geographical, geography, geological, geology, high resolution imaging science experiment, hirise, landscape, liquid, mars, mars reconnaissance orbiter, martian, mro, nasa, no-one, nobody, out, pan, panning, planet, planetary science, probe, recurring slope lineae, rsl, salt, saltwater, salty, satellite image, seasonal flow, seep, slope, solar system, space, stain, steep, streak, streaks, stream, striation, stripe, surface, terrain, topographical, valles marineris, water, zoom, zooming

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Evidence of seasonal flow on Mars

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