Is There a Black Hole in the Universe?

The universe is biscally littered. I think that's some thing people don't necessarily know. Black holes are at the centre of every galaxy, they're all over the place. They structure the universe pretty much. Anything about above a million times the mass of the sun is b called a supermassive black hole. And then we now have these even bigger monsters called ultro massive black holes,. which are a billion times themass of ye sun or bigger. Nobody understands billion som i believe. That's what ligo is detecting. You know this detector that y etected gravitational waves from colliding black holes? It was created by Ligo to detect gravitational waves in space and time. The