A Comet Exploded Above North America 12,800 Years Ago, Say Scientists
Scientists confirm Younger Dryas Impact hypothesis with evidence of comet explosion 12,800 years ago. Discovery of platinum, meltglass, and quartz supports ancient cosmic airburst event, impacting megafauna extinction. Other cosmic events referenced.
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Scientists have discovered evidence supporting the Younger Dryas Impact hypothesis, suggesting a comet exploded in Earth's atmosphere 12,800 years ago, leading to a drop in temperatures. The research, published in the journal Airbursts and Cratering, identified platinum, meltglass, and shock-fractured quartz in sites across North America, indicating an ancient cosmic airburst event. This event likely caused the extinction of megafauna like mammoths. The comet is believed to have fragmented into thousands of pieces, leaving a sediment layer with iridium, platinum, and nano-diamonds across the northern hemisphere. Similar evidence was found at the Trinity atomic bomb test site. The study also references other significant cosmic airburst events, such as the Tunguska Event in 1908 and the Chicxulub crater impact 66 million years ago. Additionally, a suspected second asteroid impact crater was discovered off the coast of Guinea, suggesting the possibility of a smaller cosmic companion to the asteroid that killed the dinosaurs.
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1 commentsFrom what I can see via my searches though, this isn't a particularly new theory, and it has been suggested to have happened ~12k5 to 13k before present for a couple of decades at least.
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