Giant impact crater in Greenland occurred a few million years after dinosaurs went extinct

ScienceDaily
Mar 9, 2022, 7:08 pm189 pts
Danish and Swedish researchers have dated the enormous Hiawatha impact crater, a 31 km-wide meteorite crater buried under a kilometer of Greenlandic ice. The dating ends speculation that the meteorite impacted after the appearance of humans and opens up a new understanding of Earth's evolution in the…

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