Does Pluto live in outerspace?

This is short and sweet, but I had to share. Abbie has been studying about outerspace. She was telling Trever the names of the planets and what all is in outerspace. When she said "Pluto" Trever quickly said "wait a minute Mickey's dog does not live in outerspace. You so silly." We just busted out laughing. He's still not quite convinced that we are not talking about the name of Mickey's dog. I'm not sure if I should be impressed that he knows more about Mickey Mouse than outerspace. Oh well.......