WebMar 11, 2024 · What did the Hiawatha asteroid do? The crater lies deep under the Greenland ice sheet making it inaccessible. Scientists instead took sand and melt rock samples formed by the erosion of the crater by a glacier to chemically assess its age. Two separate methods of dating, one using uranium and lead and the other using argon, were … WebNov 14, 2024 · Today, an international team of scientists describes what they say is a huge new impact crater that lies under northwestern Greenland’s Hiawatha Glacier. If confirmed, it would be the first...
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WebThe news went around the world, when a Danish and international research team led by Kurt Kjær at the Globe institute at University of Copenhagen published their discovery of a new, large impact crater in northwest Greenland in November 2024. The 31-km wide structure is buried under the Greenland Ice Sheet behind a glacier named Hiawatha. WebMay 20, 2024 · With the detection of groundwater beneath Hiawatha Glacier in Greenland, researchers have opened the possibility that water can be identified under other glaciers … small sprouts ashland mo
A large impact crater beneath Hiawatha ... - science.org
WebNov 14, 2024 · Scientists first suspected a crater in 2015 when they spotted a huge depression in Nasa radar images of the bedrock beneath the Hiawatha glacier in north-west Greenland. Kjær, who passes a 20 ... WebDec 4, 2024 · A crater has been discovered at the edge of Greenland’s Hiawatha Glacier (left). Airborne ice-penetrating radar data right) show a round depression (green circle) under nearly a kilometer of ice. Deformed quartz minerals and other signatures of an ancient impact were found just outside the edge of the ice (black dot). WebUsing radar data and some geologic detective work, a team of scientists and engineers detected a massive, circular depression beneath the Hiawatha Glacier in northwestern … small spring loaded knife