New Horizons' flyby this morning yielded completely unprecedented views of Pluto, King of the Kuiper Belt. Our understanding has been forever transformed. Some people also tweeted about it.

First, let's just get this out of the way: what earlier this week people were calling the "heart" of Pluto has now been co-opted as an imaginary outline of the Disney character Pluto.

Personally, I prefer Kawaii Pluto.