The amount of Martian atmosphere trapped by mineral formation appears inadequate to account for a warm environment when rivers cut valleys on ancient Mars.
from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1O97W9N
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The amount of Martian atmosphere trapped by mineral formation appears inadequate to account for a warm environment when rivers cut valleys on ancient Mars.
NASA’s IXPE observed the outer rim of the supernova remnant highlighted in purple in the inset. Data from IXPE is combined with data fr...
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