Scientists Say They Have Found Evidence Of An Unknown Planet In Our Solar System

For years, some astronomers have been suggesting that unusual behaviour on the edge of our solar system is best explained by another, undiscovered planet. That helps explain the orbits of objects that lie at the very far reaches of our solar system, more than 250 times away from the Sun than we are.

Now Konstantin Bogytin, an astronomer who helped popularise the theory, says that he and his team have found yet more evidence that suggests that planet exists. The new work represents "the strongest statistical evidence yet that Planet 9 is really out there", he said.

The new work looked at those objects that have their movement made unstable because they interact with the orbit of Neptune. That instability meant they were harder to understand, so typically astronomers looking at a possible Planet Nine have avoided using them in their analysis.

"This upcoming phase of exploration promises to provide critical insights into the mysteries of our solar system's outer reaches," the team writes in their paper.

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