Could Planet 9 be a primordial black hole? - Nexus Newsfeed

Could Planet 9 be a primordial black hole? - Nexus Newsfeed: An artistic illustration of what Planet 9 might look like, if it existed.For several years, astronomers and cosmologists have theorized about the existence of an additional planet with a mass 10 times greater than that of Earth, situated in the outermost regions of the solar system.