The Cycle Of Cosmic Catastrophes: How A Stone-a... -

: Some scientists argue that the evidence, such as the "black mats," can be explained by natural environmental changes rather than a comet. Others point out the lack of a clear, single impact crater from this specific timeframe.

: A massive comet or fleet of comets struck or exploded over North America around 12,900 years ago, an occurrence the authors simply call "the Event". The Cycle of Cosmic Catastrophes: How a Stone-A...

: This catastrophe is cited as the primary cause for the sudden disappearance of North American megafauna, such as mammoths and saber-toothed tigers, as well as the collapse of the Paleo-Indian Clovis culture. : Some scientists argue that the evidence, such

While many readers find the narrative compelling, the "Younger Dryas Impact Hypothesis" remains controversial. : This catastrophe is cited as the primary

The authors highlight several geological markers to support their theory:

The Cycle of Cosmic Catastrophes: How a Stone-Age Comet Changed the Course of World Culture

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