A pizza dream is when you have a dream because you're only just asleep/awake because your stomach is trying to digest cheese. I get them from select meatballs. Indigestion-fuelled dreams, basically.
Madness string 82909
There's no way to know. The event horizon hides everything from us. The matter in a black hole could be just barely smaller than the horizon and we'd never know. It could be emissive, but any glow just falls back in. We just don't know.