The Solar System’s outermost edge could host an unknown planet

In context: The Oort cloud is a cloud-like structure that scientists believe surrounds the Solar System, essentially behaving like the outermost limit of the Sun’s gravitational influence in the Milky Way. The cloud-like structure is mainly composed of icy debris which replenishes the Solar System with its long-period comets, but it could also host a yet unknown, giant-like planet.

Speculationn about a hypothetical ninth planet (sorry Pluto) in the Solar System have long been focused on Planet X, but a recently published study proposes that an unknown, large planet could be…