What is the biggest black hole we know?
What was the size of the biggest black hole?
How strong is a black hole the size of an atom? How small can a black hole be? What would happen if a black hole the size of an atom appeared on the surface of the earth? What is the shape of a black hole? Are there an estimates for the amount of dark matter a black hole contains? What is the formula of black hole? Can a black hole be infinitely small? How is it possible for the center of a black hole to be infinitely dense, that is, a huge amount of mass occupying zero volume? How powerful is a black hole? What does a black hole look like? Do black holes have a limit / max capacity? Do black holes have a max capacity? Is a black hole really a hole? What is the radius of the black hole at the center of our galaxy? Why are extra dimensions (11) required for string theory to explain black holes? How can black holes be infinitesimally small, therefore having infinite density? It would make more sense for a black hole to be incredibly dense. Is there a saturation limit for a black hole? Was the Big Bang just a gigantic white hole? Moments after the Big Bang all the mass of the universe was confined in a tiny radius. Why didn't it collapse to a black hole? Do black holes have infinite density? Why didn't the universe just develop into a super massive black hole if in the beginning it was very dense with matter and energy? What is the maths behind a black hole? How were black holes discovered? When and how were black holes discovered? What are black holes really made of? What is a black hole singularity? Are we in a larger version of the outflow of a universal black hole? What is it like in a black hole? What is the theory of black hole? Is black hole something like the smaller reverse version of Big Bang?