“The Day the Earth Changed” –Unveiled by a Young 31-Kilometer-Wide Greenland Crater

    “It’s much more extreme than I ever thought,” said UC Santa Barbara geology professor emeritus, James Kennett, about signs of a major cosmic impact that occurred toward the end of the Pleistocene epoch known as the Younger Dryas Impact Hypothesis, which postulates that a fragmented comet slammed into the Earth close to 12,800 […]

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