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Massive Crater Discovered Under Greenland Ice

14 Nov 2018, 23:21 UTC
Massive Crater Discovered Under Greenland Ice NASA/Jefferson Beck

There are 190 confirmed impact structures on the Earth. Er, make that 191. An international team of researchers, including a NASA glaciologist, has discovered a new crater hiding beneath more than a half-mile of ice in northwest Greenland. The crater — the first of any size found under the Greenland ice sheet — is one of the 25 largest impact craters on Earth, measuring roughly 1,000 feet (305 meters) deep and more than 19 miles (31 km) in diameter.

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