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

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

: 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...

: Discoveries of radioactive mammoth bones and magnetic microspherules in specific sediment layers. The Cycle of Cosmic Catastrophes: How a Stone-Age

: The authors connect scientific data to global oral traditions, suggesting that ancient legends of worldwide floods and "Thunderbirds" are actually eyewitness accounts of these cosmic impacts. : The book suggests Earth is subject to

: The book suggests Earth is subject to a recurring cycle of catastrophes and that we may be entering a new period of increased danger from space. Scientific Evidence Presented

: 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.