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A team lead by a NASA scientist has discovered a second possible impact crater

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buried beneath the ice in Northwest Greenland.

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This follows the discovery of the first ever crater found under an ice sheet,

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the 18-mile wide Hiawatha impact crater, located just 114 miles away.

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The crater was discovered using NASA satellite images of the ice sheet surface, and radar data from airborne missions like Operation IceBridge.

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The new 22-mile wide structure, if confirmed, would be the 22nd largest crater on Earth.

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Using data from the lunar and terrestrial impact records, the team determined statistically that it’s possible the two craters

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formed at very different times in Earth’s history, even though they’re relatively close to each other. 

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