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Evidence for the existence of supermassive black holes has now been found Question 5 options: a) in only one galaxy, our own Milky Way galaxy.

Evidence for the existence of supermassive black holes has now been found Question 5 options: a) in only one galaxy, our own Milky Way galaxy. b) in large numbers of galaxies. c) nowhere in our observable universe, though the existence of such black holes has been predicted by theory. d) in every known galaxy

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