Did an exploding comet wipe out the mammoths?
出典: ScienceDaily – https://www.sciencedaily.com/releases/2025/12/251225080736.htm
Did an exploding comet wipe out the mammoths?
Did an exploding comet wipe out the mammoths?
Date:
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January 1, 2026
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Source:
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University of California – Santa Barbara
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Summary:
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Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat and pressure consistent with a comet airburst rather than volcanism or human activity. The event could have sparked massive fires, blocked sunlight, and triggered a
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