Solar System’s “Planet X” lost in space?

Well, the intriguing possibilities affecting the likelihood of a mysterious companion in our Solar System continue to blossom. First, the actions of comets suggested that there may be a large “Planet X” named Tyche beyond the Oort Cloud.  Then, we discovered planets around distant stars with highly elliptical, highly inclined orbits, giving us more potential […]

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“Planet X” lost in space?

Researchers at the University of Kansas and the Smithsonian Institute have performed one of the most extensive analyses of Earth’s past extinction patterns to date.  So, what did researchers Adrian Melott and Richard Bambach conclude?  Planet X cannot exist. Planet X, also known as Nemesis, is a proposed “dark” (i.e. dim) companion star to the […]

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