By Kathy Hanks
Lawrence Journal-World 

Kansas university researchers help uncover ancient asteroid

 

November 23, 2018



LAWRENCE, Kan. (AP) — Researchers at the University of Kansas had a hand in uncovering what might have been about a mile-wide iron asteroid that crashed into Greenland perhaps as recently as 12,000 years ago.

Details of the impact crater beneath the Hiawatha Glacier in remote northwest Greenland were recently published in Science Advances, a multidisciplinary journal.

The crater — the first of any size found under the Greenland ice sheet — is one of the 25 largest impact craters on Earth, measuring roughly 1,000 feet deep and more than 19 miles in diameter, an area slightly larger tha...



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