Nearby supernova may have helped to initiate ice ages?

Discovery of a nearby supernova 2.5 million years ago boosting cosmic rays may lend credence to Svensmark’s cosmic rays modulate clouds on Earth theory. From the TECHNICAL UNIVERSITY OF MUNICH (TUM) via Eurekalert Stellar explosion in Earth’s proximity When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an…


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