Astronomers Find Evidence Of Two Undiscovered Planets In Our Solar System | IFLScience

photo credit: Lexicon via wikimedia commons. The most distant of these outer solar system objects share a trait that hints at an unknown planet.

So Pluto isn't a planet and it then it is and so forth. I grew up with the knowledge that Pluto was a planet. In the mix is the new descriptive, dwarf planet.........................
All I know is this is pretty cool stuff when dealing with the outer reaches of our solar system.

Astronomers Find Evidence Of Two Undiscovered Planets In Our Solar System | IFLScience