Does the Sun Have a ‘Nemesis’ Companion?
The Nemesis theory–that the sun has a companion star that is responsible for recurring episodes of death and destruction here on Earth–has been debated since it was proposed by University of California physicist Richard Muller. Most astronomers and astrophysicists dismiss the theory.
But Muller believes that the sun may indeed have a companion star, which he has named Nemesis, a red dwarf that may occassionally cause severe solar events every 26 million years or so, when its orbit brings it too close to the sun.
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