I'm trying to remember what the official theory was on this. I'm curious why it's a surprise for black holes to emit radiation of some kind?
I would think that higher wavelenth light would have higher kinetic energy, despite not having a higher velocity, and since gravity is defined by force (not just acceleration), it would seem like some very high wavelenths of light would be able to escape.
It all comes down to my misunderstanding light, though, I guess. Does the fact higher wavelenths of light have more (relativistic) mass work against this?