Because it is further away from the sun
The terms "outer planet" and "inner planet" are only used for planets. Pluto is not a planet, and it orbits beyond the outer planets.
It's the outer planet.
no Pluto is the smallest planet in the worl and Pluto is also the outer planet
The planet that was an outer planet, but was more like an inner planet was Pluto because of its size. The planet Pluto is no longer considered to be a planet.
it is an outer planet
It is a outer planet.
Pluto
it s an outer planet
it WAS technically an outer planet before it got downgraded to a dwarf planet
outer . because it is outer space. Pluto is the former nineth (and furthest from the sun) planet in the solar system. It was recently demoted to dwarf planet and is the most know object in the Kuiper Belt.
That would be Pluto, but Pluto is no longer considered a planet, only a planetoid.
The planet is Pluto