Did asteroid that hit Australia help thaw ancient ‘snowball Earth’? – Yahoo Entertainment

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Did asteroid that hit Australia help thaw ancient ‘snowball Earth’? – Yahoo Entertainment

Scientists have identified Earth’s oldest-known impact crater, and in doing so may have solved a mystery about how our planet emerged from one of its most dire periods. Researchers have determined that the 45-mile-wide (70-km-wide) Yarrabubba crater in Austr…
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