Heat and Dust Help Launch Martian Water Into Space, Scientists Find – NASA Mars Exploration

Scientists using an instrument aboard NASA’s Mars Atmosphere and Volatile EvolutioN, or MAVEN, spacecraft have discovered that water vapor near the surface of the Red Planet is lofted higher into the atmosphere than anyone expected was possible. There, it is easily destroyed by electrically charged gas particles — or ions — and lost to space.
Researchers said that the phenomenon they uncovered is one of several that led Mars to lose the equivalent of a global ocean of water up to hundreds of feet…

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