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Posts: 154
ancient meteor crater big enough to swallow Washington DC, has been found under Greenland's Hiawatha Glacier -- (link)
Posted by
peglegpete (aka peglegpete)
Nov 15 '18, 18:16
(No message)
https://www.smithsonianmag.com/smart-news/massive-impact-crater-found-under-greenlands-ice-180970829/
(www.smithsonianmag.com)
Responses:
Any aliens? -- nm
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decline
Nov 15, 18:27
Interesting that they're considering a connection to the Younger Dryas. -- nm
-
Meg
Nov 15, 18:21
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