Are There Any Black Hole in the Universe?

The weirdest things are also the best opportunities to learn something about the universe. We look around in the universe and we say, do we understand how this works? Does that bit over there make sense? And if it doesn't, then we focus our brains on and try to understand, how could that possibly work? How could that be consistent with what we know about the nature of space and time and energy? So to bey on the potcats will be tackling unanswered questions about black holes.