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Monster Black Holes - New Documentary Astronomers have discovered the largest and most luminous black hole ever seen — an ancient monster with a mass .
New BBC Documentary Full HD - Monster Black Holes National Geographic Travel to the edge of space and beyond to discover .
A black hole is a region of spacetime from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a .
Black Holes and other Cosmic Monsters - Full Space Documentary Subscribe for more videos: Read more: .
