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This page contains all of the posts and discussion on MemeStreams referencing the following web page: Giant Crater Found: Tied to Worst Mass Extinction Ever. You can find discussions on MemeStreams as you surf the web, even if you aren't a MemeStreams member, using the Threads Bookmarklet.

Giant Crater Found: Tied to Worst Mass Extinction Ever
by jlang at 11:37 am EDT, Jun 2, 2006

An apparent crater as big as Ohio has been found in Antarctica. Scientists think it was carved by a space rock that caused the greatest mass extinction on Earth, 250 million years ago.


 
 
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