NASA Astrobiology Institute news story on new evidence of a 251-million year-old impact crater off the western coast of Australia that may have caused the "Great Dying", the Permian-Triassic extinction event.
Morrison, D. (2004). Did an Impact Trigger the Permian-Triassic Extinction?. Retrieved September 27, 2020, from https://astrobiology.nasa.gov/news/did-an-impact-trigger-the-permian-triassic-extinction/
%0 Electronic Source %A Morrison, David %D 2004 %T Did an Impact Trigger the Permian-Triassic Extinction? %V 2020 %N 27 September 2020 %9 text/html %U https://astrobiology.nasa.gov/news/did-an-impact-trigger-the-permian-triassic-extinction/
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