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We have grown accustomed to the idea of black holes, but their existence took time to gain acceptance. The Nobel Prize in Physics has been awarded to three scientists who made the idea of black holes easier to swallow. Roger Penrose from the University of Oxford received half of the prize for his theoretical description of how gravitational collapse could lead to a black The black hole stage. By observing the path that stars take around the center of our Galaxy, researchers have provided soliddoi:10.1103/physics.13.158 fatcat:i3o3h3anabac3ozxokgt5og7gq