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Ancient superpowered solar storm that hit Earth 14,000 years ago is the ‘biggest ever identified’


An artist’s impression of an enormous coronal mass ejection hitting Earth after being launched by the sun. (Image credit: Getty Images)

Earth was bombarded with an enormous dose of cosmic radiation more than 14,000 years ago, newly discovered tree rings reveal — and researchers suspect it was caused by an enormous, superpowered solar storm, the likes of which we have never seen before. 

In a new study published Oct. 9 in the journal Philosophical Transactions of the Royal Society A: Mathematical Physical and Engineering Sciences, researchers analyzed tree rings cut from subfossil, or partially fossilized, tree stumps in the French Alps. The ancient trees, which were preserved by the sediment of a river bed, all have high levels of radiocarbon in a single year’s ring dating to roughly 14,300 years ago. 

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