Comet did not destroy the prehistoric culture of the natives of North America
Barringer crater in Arizona (USA) It seems that a long -term dispute about the causes of the death of ancient Americans, representatives of Clovis culture, which existed, possibly about 13 thousand years ago, and then suddenly disappeared, goes into a new phase. The generally accepted hypothesis, which implies as the main reason a sharp cooling caused by an explosion of a large asteroid now raises a lot of questions.