At https://sciencealert.com/scientists-reveal-how-our-solar-system-could-capture-a-new-planet …. which uses the visit of Oumuamua to our solar system a few years ago to exploe how our solar system might not only capture an object the size of Oumuamua but one big enough to be a rogue planet. Why not. Planets capture moons so why can’t the Sun capture a planet. However, it would, initially, cause orbital chaos.
Capturing a Planet
6 December 2024Astronomy