NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft
arrives at Mars, to study its atmosphere and climate history.* Its four primary objectives are:
1. To determine the role that loss of volatiles from the Mars atmosphere to space has played through time.
2. To determine the current state of the upper atmosphere, ionosphere, and interactions with the solar wind.
3. To determine current rates of escape of neutral gases and ions to space and the processes controlling them.
4. To determine the ratios of stable isotopes in the Martian atmosphere.
Reference
MAVEN (spacecraft), Wikipedia:
http://en.wikipedia.org/wiki/MAVEN_%28spacecraft%29
Accessed 24th April 2010.
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