The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission, scheduled for
launch in late 2013, will be the first mission devoted to understanding the
Martian upper atmosphere.
The goal of MAVEN is to determine the role that loss of atmospheric gas to
space played in changing the Martian climate through time. Where did the
atmosphere – and the water – go?
MAVEN will determine how much of the Martian atmosphere has been lost over
time by measuring the current rate of escape to space and gathering enough
information about the relevant processes to allow extrapolation backward in
time.
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