2020-08-23, 01:52
Exploding stars may have caused mass extinction on Earth, study shows
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.
https://www.sciencedaily.com/releases/20...142104.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.
https://www.sciencedaily.com/releases/20...142104.htm