Recently astronomers saw a star that is orbiting a black hole and it is a 11 year orbit which is the shortest ever. The star S0-120 is the name of that star and it will help us diced if Albert Einstein was right out his theory. Before this we only knew of 1 star that was orbiting a back hole but it was a 16 year orbit. Most of the star have a 60 year orbit. A black hole is so dense that light cant even escape its gravitational pull and it is not possabile to see it by eye. Einstein theory is that the black hole will change the distances between place so we have one question how would a gps system work with a black hole. As the sun gets closer to the black hole certain things start to happen which we will observer in 2018 since that the time when the sun will be on closest to the black hole.
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