The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes.

A canyon is a deep, narrow valley with steep ... may have similar craters formed by massive impacts. The study “Grand canyons on the Moon” was published in Nature Communications https ...

The research shows that lunar canyons the size of Earth’s Grand Canyon can form in minutes rather than millions of years. Impact-generated streams of rock on the Moon are far more capable of ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south pole ...

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Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

While the Grand Canyon took millions of years to form, the two grand canyons on the Moon were carved in less than 10 minutes." The impacting asteroid or comet likely hit the lunar surface with a ...

Two giant lunar valleys, Vallis Schrödinger and Vallis Planck, formed in less than 10 minutes, researchers say. Rocky debris ejected by an asteroid or comet impact 3.81 billion years ago ...