Planet 9: Are We Really Dealing with a Black Hole Here?

Scientists from Durham University and the University of Illinois at Chicago have published a paper talking about their theory. They suggest that the orbit of the Sun has caught a free-floating “primordial black hole.” It’s this black hole, and probably a lot more than circle our solar system.

How do they know if Planet Nine is actually a black hole?

James Unwin and Jakub Scholtz said that if we captured a free-floating planet, that would be an explanation of Planet Nine and its origin, and that they could show how the probability of catching an original black hole instead of a free-floating planet is actually comparable.

Even if this black hole theory is quite controversial, they can actually test it. Black holes have dark matter all around them, that suggests that there are signs of annihilation. The authors said that if they find these signals, it would mean that Planet Nine is actually a black hole.

What is Planet Nine?

Planet Nine as initially thought to be an “Extreme Trans-Neptunian Object,” because of its distance and size from the Sun. This happened back in 2014. In 2015, it was nicknamed BP519, and it was quite unusual to study – it travels perpendicular to the rest of the planets and objects from our solar system. The gravity of a distant planet might cause its orbit. For this to happen, the planet should be four times the size of Earth and almost ten times as dense as Earth. Without this distant planet, BP519 might’ve had a behavior which could not be explained.  However, its tilted transit through space can be explained by some existing Planet Nine models and theories.

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