Cover of The nemesis affair

The nemesis affair

by David M. Raup

1986 220 pages eng

"Nemesis is the name given by scientists to a (theoretical) small companion star to our sun. Every 26 million years, the theory postulates, 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 away, some…

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