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Exploding stars may have caused mass extinction on Earth, study shows

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The New York Times
SOURCE: https://phys.org/news/2020-08-stars-mass-extinction-earth.html
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Summary

Imagine reading by the light of an exploded star, brighter than a full moon?it might be fun to think about, but this scene is the prelude to a disaster when the radiation devastates life as we know it. Killer cosmic rays from nearby supernovae could be the cu?

As said here by Lois Yoksoulian