Happy Pluto Demotion Day!

(Twittered first. Experimenting with publishing styles that downplay Twitter.) I’m thinking of Mike Brown and Alan Stern. I’ll side with the guy who gives us the most data! Language matters. Let the IAU keep its definition. The public will remain in dialogue forever. You cannot define “dwarf” planet without planet. Haha. #PlutoIsAplanet

Tim Chambers @tbc