A 'captured' alien planet may be hiding at the edge of our solar system — and it's not 'Planet X'A 'captured' alien planet may be hiding at the edge of our solar system — and it's not 'Planet X' - Yahoo News
space.comSubmitted by spacecom4608 in science
The cold and mysterious Oort cloud at the edge of our solar system may be hiding a rogue exoplanet, new research suggests.