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Did a Supernova Leave Its Mark on Earth? New Evidence from the Ocean Floor Suggests So
A team of researchers has found an unusual spike in beryllium-10 levels in the Pacific seabed, dating back 10 million years. The cause remains a mystery — was it shifting ocean currents or a cosmic radiation surge from a stellar explosion? This anomaly might serve as a long-sought time marker, helping scientists synchronize Earth’s ancient [...]
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