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Fortean ice

Fortean ice

作者:童辊  时间:2019-03-07 07:20:01  人气:

Chunks of ice that fell in Spain over the last few weeks came from the upper atmosphere, according to scientists called in to investigate. Some of the blocks weighed up to 4 kilograms. The blocks’ composition rules out comets and aeroplanes as the source. But scientists are still puzzled. “We know that hail can sometimes grow up to the size of a baseball, but not a 4-kilogram mass,” says Fernando López Vera,