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News: DID A COMET CAUSE A FIRESTORM THAT DEVESTATED NORTH AMERICA 12,900 YEARS AGO?
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Gamma-ray burst 'hit Earth in 8th Century'

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Author Topic: Gamma-ray burst 'hit Earth in 8th Century'  (Read 412 times)
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Missy
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« on: January 21, 2013, 01:55:21 pm »




A solar flare has also been put forward as the cause of the radiation
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