Enormous Asteroid Crater in Greenland is 58 Million Years Old, Scientists Say
The 31-km- (19.2-mile) wide Hiawatha impact structure is located beneath Hiawatha Glacier in northwestern Greenland. Photo from fieldwork at the edge of the Greenland Ice Sheet in 2019. Image credit: Pierre Beck. The Hiawatha impact crater was formed by a 1-km- (0.6-mile) wide iron asteroid. First discovered in 2015, the…
bubmagMarch 11, 2022