- The mysterious Hiawatha crater in Greenland is 58 million years old https://www.sciencenews.org/article/hiawatha-crater-greenland-age-younger-dryas 19 comments space
- The mysterious Hiawatha crater in Greenland is 58 million years old. That timing, confirmed by two separate dating methods, means that the asteroid or comet or meteorite that carved the depression struck long before the Younger Dryas cold snap about 13,000 years ago. https://www.sciencenews.org/article/hiawatha-crater-greenland-age-younger-dryas 7 comments science
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