The theory behind a black hole is the idea that if enough mass is in one location, the gravity would be so great that the escape velocity would be 186,000 miles per second so that even light could not escape. This, of course, is assuming that light can be effected by gravity. No one has ever...
Pythagoras 500BC, Aristotle, Ezekiel, Job, Druids, Levites, Irish, Celts, Sythians, Cimmerians, Gauls, Britains......
Just a few reminders that prove once again to me that the world doesn't "history" anymore.