Ideally, a black hole, provided it is isolated, is an absolutely black area of space. As a black hole actually looks like, until no one knows, it is only known that it does not justify its name, since it is completely invisible. According to scientists of astronomers, it is possible to determine its presence only by glow in the region of the event horizon.
Artists have tried many times to portray a black hole, here are the most amazing works:
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