Exploding stars may have caused mass extinction on Earth, study shows, University of Illinois at Urbana-Champaign, August 18, 2020 https://www.sciencedaily.com/releases/2020/08/200818142104.htm
"Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth's rock record could confirm this scenario." The open access paper is: Brian D. Fields, Adrian L. Melott, John Ellis, Adrienne F. Ertel, Brian J. Fry, Bruce S. Lieberman, Zhenghai Liu, Jesse A. Miller, Brian C. Thomas. Supernova triggers for end-Devonian extinctions. Proceedings of the National Academy of Sciences, 2020; 202013774 https://www.pnas.org/content/early/2020/08/17/2013774117 Yours Paul H. ______________________________________________ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com https://pairlist3.pair.net/mailman/listinfo/meteorite-list
