Our sun may have a long-lost twin, stunning new theory suggests

dailystar.co.uk:

The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxThere's a new theory about our solar system - our sun may have a long-lost twin.Astronomers have long been puzzled by how crowded the area beyond Neptune is, which doesn't match with scientific models of how the galaxy formed.The Oort cloud is a sphere of icy debris that is located in the outer reaches of our solar system.

The area contains approximately 100 billion individual items (mostly chunks of rock and ice) which is far more than science would predict likely to be there.Research has also suggested the potential presence of an unknown planet in the Oort cloud, whose gravity is tugging the space debris into formation, Harvard.