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The Younger Dryas Impact Hypothesis posits that a comet hit Earth 12,800 years ago, causing temperatures int he Northern Hemisphere to plummet back to near-glacial ...
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A Comet That Exploded Over Earth 12,800 Years Ago May Have Triggered Centuries of Bitter Cold
In 2024, scientists studying ancient sediments in the eastern United States reported signs of a comet exploding in Earth’s skies 12,800 years ago. That event, they suggested, might have plunged the ...
Scientists have found new evidence that a massive comet trail may have caused climate upheaval on Earth more than 12,000 years ago. Tiny particles detected in ocean sediment cores suggest that dust ...
Examples of Fe-rich and silica-rich impact microspherules (a and b) and metallic dust particles (MDPs; c and d) interpreted as cometary dust from Baffin Bay cores. Yellow arrows show particles of FeSi ...
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The interstellar comet 3I/ATLAS is wrapped in carbon dioxide fog, NASA space telescope reveals
Named 3I/ATLAS, the comet is only the third known interstellar object to enter our solar system, and it's the largest and ...
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