Planet nine
Appearance
![Artist's concept o Planet nine](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Planet_nine_artistic_plain.png/220px-Planet_nine_artistic_plain.png)
Planet nineis a theory that thare a nint planet in thesolar seestem.The idea haes its springheid in the orbits o different asteroids aboot the same aurie at the faur end o the solar seestem. Acause thare mony asteroids in orbit aboot, it is thocht tha the planet is a muckle ane, ten times the mass o the Yird an fower times its bouk. The theory wis first set furth on the 20t Januar 2016, efter the first work on it in 2014.
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