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The Progressive Democrat

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Exogeology

Curiosity Rover Reveals Special Mars Sand Dunes Not Seen on Earth

NASA/JPL-Caltech/MSSS
NASA/JPL-Caltech/MSSS

Observations made by NASA’s Curiosity Mars rover of active sand dunes have revealed clues about the history of Mars’ atmosphere, and special “wind-drag ripples” in the sand that are not seen on Earth.

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