An artist’s illustration of a possible Planet 9
Mark Garlick/Science Picture Library/Alamy
If the photo voltaic system does have a Planet 9, it’s a world that was bullied by its bigger siblings, exiled to the far reaches of house and solely rescued from oblivion because of the intervention of passing stars.
Planet 9 is a hypothesised planet that’s 5 to 10 instances the mass of Earth, orbiting within the outer photo voltaic system at about 400 to 800 instances the Earth-sun distance. One of the best proof for its existence comes from a clustering of objects orbiting removed from the solar,…
