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Researchers claim supernovas may have triggered two major mass extinctions by harming Earth's ozone layer.
Researchers suggest supernovas may have caused two of Earth's largest mass extinctions by stripping the planet's ozone layer, exposing life to damaging radiation.
The study calculates that about 2.5 supernovas could impact Earth every billion years, potentially linking to extinction events 372 million and 445 million years ago.
However, the hypothesis lacks direct evidence, highlighting the need for further investigation to confirm the connection.
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Los investigadores afirman que las supernovas pueden haber desencadenado dos grandes extinciones masivas al dañar la capa de ozono de la Tierra.