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Extreme solar flares may be surprisingly more frequent than thought, scientists sayWhile solar storms today are usually associated with auroras, there is evidence of extremely violent outbursts from the sun, found in prehistoric tree trunks and glacial ice, causing significant ...
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Sun May Be Overdue for a 'Superflare,' Study Warns"Between 1996 and 2012, 12 solar flares had bolometric energies ... past activity is to look for evidence of spiking flares in preserved tree trunks and ancient glacial ice. However, these sources ...
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