Massive asteroid hit Greenland when it was a lush rainforest, under-ice crater shows - Livescience.com
Stephanie Pappas |
Technology |
Live Science |
03-16-2022 |
93
Researchers studying Greenland's Hiawatha crater conducted research at the edge of the Greenland Ice Sheet in 2019. (Image credit: Pierre Beck)
Scientists now know the age of an enormous impact cratâ
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