A nearby supernova (or series of supernovae) might have caused the Devonian mass extinction over 350 million years ago, new research finds. The evidence comes from ancient plant spores that were burned by ultraviolet light, which suggests rapid ozone depletion at the time.

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A nearby supernova (or series of supernovae) might have caused the Devonian mass extinction over 350 million years ago, new research finds. The evidence comes from ancient plant spores that were burned by ultraviolet light, which suggests rapid ozone depletion at the time. submitted by /u/clayt6
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