A large impact crater beneath Hiawatha Glacier in northwest Greenland
Yearbook of pediatric endocrinology(2019)
Abstract
The discovery of a 31-kilometer-wide impact crater in northwest Greenland, beneath up to a kilometer of ice, implies an instantly vaporizing rock that sent shock waves across the Arctic. Its impact must have had a powerful effect on global climate; a thousand-year global cooling event.
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Key words
hiawatha glacier,large impact crater
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