This image is computer-generated, but awesome. The program is called BHSKY. It is capable of showing relativistically accurate images of objects travelling around a non-rotating black hole. The ratio between the black hole Schwarzschild radius and the observer distance to it is 1:9. A black hole is a region in which not even light can escape due to its massive gravity. A black hole can be observed from its interaction with the objects around it. On the inside of a black hole, past the even horizon (also the point of no return) there are intense tidal forces that start ripping apart objects. No one can see inside, since light can't escape the intense gravity.
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