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Counting SandGalaxy EvolutionThe episode touches on the wondrous journey a galaxy undergoes as it evolves through its life cycle. Angelo starts off the episode by asking the question, what's an early-type galaxy? Paolo Bonfini explains that although you may think that early-type galaxies would be galaxies early in their evolution, they're not, they're galaxies a little later. They're the ultimate evolution of two galaxies coming together. Based on the topics touched on in Paolo's paper he then explains the role that supermassive black holes play in galaxy evolution. Paolo explains, "thanks to the recent development in gravitational-wave astronomy, which op...2022-03-1527 min