Impact crater 19 miles wide found beneath Greenland glacier – The Guardian

Via: TheGuardian.com Crater appears to be result of mile-wide iron meteorite just 12,000 years ago A huge impact crater has been discovered under a half-mile-thick Greenland ice sheet. The enormous bowl-shaped dent appears to be the result of a mile-wide iron meteorite slamming into the island at a speed of 12 miles per second as recently as 12,000 years ago. […]

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