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Mars Canyons Study Adds Clues about Possible Water

Blue dots on this map indicate sites of recurring slope lineae

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. The area mapped here has the highest density of known RSL on Mars. http://www.nasa.gov/feature/jpl/mars-canyons-study-adds-clues-about-possible-water