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Controversial Impact Crater Under Greenland's Ice is Surprisingly Ancient

msmash | March 10, 2022  
An anonymous reader shares a report: In 2018, an international team of scientists announced a startling discovery: Buried beneath the thick ice of the Hiawatha Glacier in northwest Greenland is an impact crater 31 kilometers wide -- not as big as the crater from the dinosaur-killing impact 66 million years ago, but perhaps still big […]
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