A Nov. 5 NASA science update highlighted data from NASAs Mars Atmosphere and Volatile Evolution (MAVEN) mission that has determined the present rate at .\r
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Mars is a cold and barren desert today, but scientists think that in the ancient past it was warm and wet. The loss of the early Martian atmosphere may have led to .\r
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The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission, scheduled for launch in November 2013, will be the first mission devoted to understanding the .\r
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The solar wind accelerates ions from the Mars upper atmosphere into space. Today, Mars is a global desert with an atmosphere far too thin to support bodies of .