Remains from Clovis culture cast doubt on comet theory
The idea that a comet blasted into eastern North America about 10,900 years ago has been receiving a lot of media attention lately.
The explosion, which is said to have been equivalent to a 100-million-megaton bomb, supposedly caused the extinction of the giant mammals of the ice age as well as the people who lived then.
R.B. Firestone of the Lawrence Berkeley National Laboratory and numerous co-authors presented the basic argument in an article in the Proceedings of the National Academy of Sciences in 2007. Since then, other research has cast considerable doubt on the claim.
Read entire article at Columbus Dispatch
The explosion, which is said to have been equivalent to a 100-million-megaton bomb, supposedly caused the extinction of the giant mammals of the ice age as well as the people who lived then.
R.B. Firestone of the Lawrence Berkeley National Laboratory and numerous co-authors presented the basic argument in an article in the Proceedings of the National Academy of Sciences in 2007. Since then, other research has cast considerable doubt on the claim.