An unusually large asteroid crater measuring 19 miles wide has been discovered under a continental ice sheet in Greenland. Roughly the size of Paris, it’s now among the 25 biggest asteroid craters on Earth.
from Gizmodo https://ift.tt/2QIXSM8
A Massive Impact Crater Has Been Detected Beneath Greenland’s Ice Sheet
from Gizmodo https://ift.tt/2QIXSM8
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