Massive meteor crater discovered beneath Greenland's ice much older than thought
The age of the meteor impact crater, discovered seven years ago underneath kilometer-deep ice in Greenland, had long puzzled scientists.
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The age of the meteor impact crater, discovered seven years ago underneath kilometer-deep ice in Greenland, had long puzzled scientists.
By Will Dunham
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...
WASHINGTON - An immense crater in north-western Greenland, buried under a thick sheet of ice and first spotted in 2015, is much older than previously suspected - formed by a meteorite impact 58 million years ago, rather than 13,000 years ago as had been proposed. Scientists said on Wednesday (March 9) they used two different dating methods on sand and...
The crater, which is one of the world's largest, has now been definitively dated and it is much, much older. In fact, it slammed into the Earth just a few