Gigantic crater discovered hiding under Greenland ice is bigger than Washington, DC – NBCNews.com

NBCNews.com
More than 19 miles wide and about 1,000 feet deep, the huge bowl-shaped depression is bigger than Washington, D.C., and one of the 25 biggest craters ever discovered on Earth. It’s also the first crater to have been discovered under a continental ice

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Source:: Washington DC News From Google News

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