Monday, August 8, 2011
Scientists Spot Signs of Salty Water on Mars
Some cliff faces on Mars feature dark streaks that appear during the warm months, then disappear when weather turns colder. Writing in the journal Science, some researchers say that the streaks could be signs of briny water on the Martian surface. Planetary scientist Alfred McEwen discusses the findings, and what they might mean for future studies of the red planet.
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