Our Sun Has An Evil Twin! This Was Determined From Studies Trying To Account For The Relative Abundance Of Young Single Stars In The Perseus Constellation. The Interesting Part of This Find, To Me, Is That The Twin May Have Caused Dinosaur Extinction By Gravitational Influence/Hurling Of Debris (Asteroids) As It Drifted Away.
Our Sun could have been born with an evil twin called "Nemesis" – ScienceAlert
A new model on how stars are formed has added weight to the hypothesis that most – if not all – stars are born in a litter with at least one sibling.