it WAS technically an outer planet before it got downgraded to a dwarf planet
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.
it is an outer planet
It is a outer planet.
Pluto
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.
These planets are outer planets.
I'm 90% sure that it is Pluto ;D
Pluto because it is very small and it's surface is rocky.
Pluto is small and rocky, so for years is was the outer planet that was more like the four inner planets. It has since been reclassified as a dwarf planet though.
Mercury is the innermost planet in our solar system and is most likely to be an outer planet due to its proximity to the Sun.
if you count Pluto as a planet, then yes.