A black hole is a highly speculative concept deriving from the theoretical principle that a gravitational field could become so strong that the escape velocity would exceed the speed of light, in conjunction with the idea that light would be drawn towards gravitating bodies in the same manner as atomic and molecular matter. Despite the fact that the idea is commonly believed to follow from Einstein's General Theory of Relativity, it could just as easily have been speculated on the back of Newton's classical law of gravity. And what is invariably overlooked when discussing the subject of black holes, is the additional inverse cube law repulsive force which acts in planetary orbits in opposition to gravity, better known as the centrifugal force.
No matter how strong a gravitational field is, any object falling into it will always rebound again unless it is involved in a collision. The centrifugal repulsive force, being inverse cube law, will always increase at a faster rate than the inverse square law force of gravity as the object moves downwards. The article in the link entitled "Induction of Electrostatic Repulsion by Strong Gravity",
further argues that even without motion induced centrifugal force, if a gravitational field becomes strong enough, it will reverse its direction anyway, becoming an electrostatic repulsive force field. This is due to the fine-grained gyroscopic antics that occur within the deep fabric of space.