Wednesday, 2 September 2015

Study Tallies One Loss Path for Early Mars' Atmosphere

Rocks Here Sequester Some of Mars' Early Atmosphere

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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NASA X-Ray Mission Gets Fresh Look at 2,000-Year-Old Supernova

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...