By Will Dunham WASHINGTON (Reuters) - An immense crater in northwestern Greenland, buried under a thick sheet of ice and first spotted in 2015, is muc.
Massive meteor crater discovered beneath Greenland s ice is much older than thought kesq.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kesq.com Daily Mail and Mail on Sunday newspapers.
Danish and Swedish researchers have dated the enormous Hiawatha impact crater, a 31 km-wide asteroid crater buried under a kilometer of Greenlandic ice. The dating ends speculation that the asteroid impacted after the appearance of humans and opens u
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