black holes
A black hole. It is an area in space where gravity is so strong that even light cannot escape from it. Since light cannot escape from a black hole, it appears black. Light can travel faster than anything we know of – at a speed of 186,000 miles (300,000 kilometers) per second. If light cannot escape from a black hole, nothing else that we know of can. It is filled with a lot of material crammed into an small space. This is what gives a black hole its super strong gravity. The term black hole” is used because these objects look like black holes in space since they put out no light. Read more
