Black Holes What are black holes? Black holes are the remains of a massive star that has collapsed and shrunk to a tiny point in space. They have all of the gravity of the star concentrated into a miniscule point many times smaller than the original. Black holes are difficult to see because they are spinning faster than the speed of light. This causes all light to be pulled to them leaving no refractions to be seen by the naked eye. The only way to actually “see” a black hole is through the clues they give off. Where do black holes come from? Black holes are formed when giant stars run out of fuel and are overwhelmed by their own gravity. When this happens they c