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A comment on Younger Dryas cosmic impact of 12,800 years ago (2018). Parent comment
In short, the 4,500 year old date is based on very, very thin evidence, and much other evidence of longer timeline is simply ignored because "it's not possible".
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In short, the 4,500 year old date is based on very, very thin evidence, and much other evidence of longer timeline is simply ignored because "it's not possible".