Ocean sediments might support theory that comet impact triggered Younger Dryas cool-off

PHYSorg
Aug 6, 2025, 2:00 pm145 pts
Analysis of ocean sediments has surfaced geochemical clues in line with the possibility that an encounter with a disintegrating comet 12,800 years ago in the Northern Hemisphere triggered rapid cooling of Earth's air and ocean. Christopher Moore of the University of South Carolina, U.S., and colleagues present…

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