New object beyond Pluto hints at mysterious ’Planet X’
▻https://www.nationalgeographic.com/science/2018/10/news-solar-system-object-pluto-planet-x-sun-space
Called 2015 TG387 (and nicknamed the Goblin), the world is likely spherical and about as wide as the state of Massachusetts. And—like a handful of other distant solar system inhabitants—its orbital behavior might signal the presence of an unseen Planet X lurking in the distant outer dominions of the solar system.
