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Recurring slope lineae (RSL) are a type of dark streak seen on Martian slopes and are thought to form from flow of liquid water. This image shows RSL in the Aram Chaos, acquired on Jan. 11, 2015.NASA/JPL/University of Arizona
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Recurring slope lineae (RSL) are a type of dark streak seen on Martian slopes and are thought to form from flow of liqui
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NASA/JPL/University of Arizona
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See the Mysterious Photos of Water on Mars

Sep 29, 2015
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