TIL black holes are not truly black. Thanks to quantum mechanics, they emit a faint glow called Hawking radiation. Particles escaping just beyond the event horizon create this thermal glow.

https://en.wikipedia.org/wiki/Black_hole
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1u4goox/til_black_holes_are_not_truly_black_thanks_to/