A Huge, Mystery Dwarf Planet’s Been Hiding in Our Solar System this Whole Time

Astronomers have just announced that an unnamed, overlooked object lurking at the back of our Solar System is actually way bigger than they previously thought. In fact, it’s only slightly smaller than Pluto and Eris, which suggests that it is, in fact, a dwarf planet – the third largest dwarf planet we know of in the Milky Way – and … Continue reading →