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Friday, September 29, 2000



Martian Air Pressure

On Mars' surface, the air pressure is only about 0.7% of that of the Earth's surface. The atmospheric data taken by Pathfinder/Sojourner discovered that there were random variations in air pressure, causing the Mars equivalent of dust devils. This is explained by the theory that cold air is heated in the morning, and rises in whirlwind like patterns, very different than those of Earth.

- posted by Alex @ 15:34 EST