
We have long known that the Sun is active. It “flares” quite often, sending huge amounts of energy off in a certain direction - sometimes directly at Earth. But we also know that, compared to other Sun-like stars, it seems relatively quiet, and not capable of producing the “superflares” we sometimes see in its stellar equivalents. That sounds like great news for humanity, and some scientists have even argued that lack of superflares was a critical impetus for the development of complex life on Earth. But a new paper from Natalie Krivova of the Max Planck Institute for Solar System Research and her co-authors in the journal Philosophical Transactions A calls the assumption that our Sun is incapable of such dramatic outbursts into question. That also means that, eventually, our highly technological society could bear the brunt of one of them.
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