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

: 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

The authors highlight several geological markers to support their theory: 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 : The book suggests Earth is subject to

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