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Mars Canyons Study Adds Clues About Possible Water

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Part of Valles Marineris canyon network on Mars

Blue dots on this map indicate sites of recurring slope lineae (RSL) in part of the Valles Marineris canyon network on Mars. RSL are seasonal dark streaks that may be indicators of liquid water.

Credit: NASA/JPL-Caltech/Univ. of Arizona

Puzzles persist about possible water at seasonally dark streaks on Martian slopes, according to a new study of thousands of such features in the Red Planet's largest canyon system.

From Jet Propulsion Laboratory/NASA
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