Black holes are believed to be scattered throughout the universe. These ultra-dense bodies have a gravity field so dense that nothing, not even light can escape. If these bodies are able to consume everything that enters its event horizon than over the billions of years that the universe has...
Why is Verdigris' question about fluid gravid "verging on crackpottery"? Just because it an idea is not the currently accepted theory by mainstream physicists, doesn't mean that it is wrong. Throughout history theories were accepted by scientists and then as better and better detection...