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Catastrophes Geology Extinction Biology Dinosaurs Books

Books con argomento Catastrophes Geology Extinction Biology Dinosaurs Scienze della terra

The Nemesis Affair

The Nemesis Affair

Raup David M. 
edizioni W W Norton & Co Inc collana W W Norton & Co Inc (Paperback) , 1999

Nemesis is the name given by scientists to a (theoretical) small companion star to our sun. Every 26 million years, Nemesis's orbit brings it close enough to the sun to bombard our solar system with billions of comets. While most of the comets will float harmlessly beyond the outer planets, some passing through the...

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