24 ago. 2017

Mars Might Experience Microburst Snowstorms at Night

New computer models of Mars' atmosphere are indicating that the Red Planet may experience rapidly-falling snowstorms at night, possibly sprinkling the surface below with a light layer of snow. It was previously assumed that snow that fell on Mars did so slowly, taking hours to drop a single mile, and typically evaporating before it reached the surface. But the new simulations show that ice crystals forming at night may only take about five to ten minutes to fall the same distance, explaining why NASA's Phoenix lander observed a dusting of snow shortly after touchdown in 2008.

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