We debated on it, scientest were divided oner Pluto is a planet. I say I could be a special type. People are thinking it's an escaped moon or a Keiper belt object. I just don't see since Ceres an asteroid is being considered as a planet and it's far smaller. Then there's Jupiter. Aside from it's small size I just don't see how it coul d be a planet. Scientests recently determined Jupiter has no solid surface. It's just gas and maybe highly pressurized liquid at the core. This definetly doesn't constitute a planet since it has no rocky surface to land on. It's basically a giant bubble of gay and liquid. If you or your vehicale could tolerate the pressures you could go straight through Jupiter and not hve anything stop you. Just fly through the core and out the other side liek nothing was there. Tis is hard to link with all the other planets in my book. A planet has to have a surface to land on. Then there's Saturn the other gas supergiant. If it has no surface to wwalk or land on is it scientific and logial to call it a planet?WHat about Uranus and Meptune..........are they all gas bubbles? I find it funny there's all this fuss about a tiny rock but none ocer the giant bubble. If having no solid center cdoesn't disqualify you from being a planet then The Sun couldbe one if it orbited a star. Infact the say Jupiter would have been a star if it were just a few times larger. If you think about it it's all atmosphere and ocean. If they'd know this before they probrably wouldn't have called it a planet. SOme planets have/had no atmosphere so having an atmosphere definetly isn't a requirment.