Investigating the Martian Atmosphere
The Martian surface bears ample evidence of flowing water in its youth, from crater lakes and riverbeds to minerals that only form in water. But today Mars is cold and dry, and scientists think that the loss of Mars' water may have been caused by the loss of its early atmosphere. NASA's Mars Atmosphere and Volatile EvolutioN mission, or MAVEN, will be the first spacecraft devoted to studying the Red Planet's upper atmosphere, in an effort to understand how the Martian climate has changed over time.
NASA's MAVEN spacecraft is the first mission devoted to studying the Mars upper atmosphere. Its findings will help scientists understand how Mars lost its early atmosphere, transforming it from a wet planet into the dry world we see today.
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NASA's Goddard Space Flight Center
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Sunday, September 21, 2014 at 4:00AM
Produced by - Dan Jacob