PHOTONIC DIGESTION: What Black Holes Actually Do to Light After They Eat It

Every second of every day, black holes across the universe are eating light. Photons that have traveled millions of light-years, carrying the energy of dying stars and the information of distant galaxies, cross an invisible threshold called the event horizon and vanish. The black hole takes them in. And then what?That question sounds simple. The answer is one of the most contested, most consequent...