We're all planets now  

So Pluto is a planet, along with Ceres and Charon and a rock called UB313. I didn't have a horse in this race, but I find the new definition a little unsatisfying, unscientifically speaking -- which, by the way, seems to be the accepted way speaking when you're defining planets. Apparently it took all manner of taxonomical acrobatics to wedge Pluto into the definition, all so that our cultural sensibilities wouldn't be offended. Hmmm.

One cool thing, though, about the new definition is that Pluto and Charon's relationship makes them officially a double planet (unless they change the definition of that too).

UPDATE: Never mind.