https://sputniknews.com/20211117/my...sive-planet-nine-claims-study-1090805313.html Planet Nine is a hypothetical super-Earth-sized planet in the outer region of the solar system. In January 2015, a team of astronomers claimed to have discovered the giant Planet X orbiting the Sun based on mathematical calculations, with some astronomers questioning the idea that it exists. The existence of the mysterious Planet Nine, hidden in the outer reaches of our solar system, which has long fired the imagination of astronomers, may finally have been proved. A new study claims it has assembled data pertaining to the mystery object which, although “not overwhelming”, is worth checking. ...
https://www.rt.com/news/540624-planet-nine-existence-study/ Mysterious new planet possibly spotted in solar system 18 Nov, 2021 12:59 / Updated 20 hours ago An object lurking in the outer region of our solar system may well be the elusive Planet 9, a leading British astronomer has suggested after digging through the telescope archives of 250,000 point sources. Possible evidence of a mysterious planet up to 10 times bigger than Earth, with a distant orbit around the Sun, has been unveiled by professor of astrophysics at Imperial College of London, Michael Rowan-Robinson. ...