Martian sands shift slowly but surely

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Bericht 16-05-'07, 15:43

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Martian sands shift slowly but surely

Physicists may have solved a long-standing mystery about sand dunes on Mars. The dunes looks as if they should have been created by the action of wind, but the Martian atmosphere is so still and thin that it was thought impossible for wind to have played a part. New computer simulations suggest that the wind can indeed drive the sand dunes on Mars -- it's just that the dunes are formed far more slowly than back on Earth.


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