Mounting recent problems and evidences about Pluto, Comets & Asteroids: *Some comets are rocky and some are iceballs. Why? *Rocky comets and asteroids are very similar *Some satellites around planets are really similar to asteroids *Pluto is too small compared to other planets *Charon, the moon of pluto is too big. *Orbit of Pluto is unusual compared to other planets *Found many objects and expected to find many more outside of Neptune, some of them are bigger than Pluto