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Roaming Rocks Explained

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In Death Valley's Racetrack Playa, large rocks have left meters' long grooves in the dirt.

The rocks move when large, thin sheets of ice form in the playa, then get pushed by wind. This, in turn, pushes the rocks.

Despite its thinness, the ice sheets can move heavy rocks in even a light breeze.

Rifts in Rafts→

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Celebrating the physics of all that flows

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