This article from the NASA Astrobiology Institute raises some issues in the accepted theory that the mass extinction event of the late Cretaceous was caused by a meteorite impact. The article discusses specifics behind what would happen if an asteroid were to hit the Earth, and possible reasons why some species would survive and others didn't.
%0 Electronic Source %D June 15, 2001 %T Do We Know What Killed the Dinosaurs? %I NASA %V 2013 %N 18 May 2013 %8 June 15, 2001 %9 text/html %U http://nai.arc.nasa.gov/news_stories/news_detail.cfm?ID=143
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