New evidence into what triggered extinction of Ice Age animals
Updated : October 27, 2019 09:17 AM IST
An extraterrestrial body crashed to Earth almost 13,000 years ago that caused the extinction of many large animals and a probable population decline in early humans.
University of South Carolina archaeologist Christopher Moore and 16 colleagues present further evidence of a cosmic impact based on research done at White Pond near Elgin, South Carolina.
The Younger Dryas Impact Hypothesis proposes that an asteroid or comet hit the Earth about 12,800 years ago causing a period of extreme cooling that contributed to extinctions of more than 35 species of megafauna including giant sloths, sabre-tooth cats, mastodons and mammoths.
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