At the center of the Milky Way galaxy, a supermassive black hole is thought to exist. Similar supermassive black holes are thought to exist at the center of spiral galaxies throughout the universe. The stars that originally formed these black holes must have been extraordinarily large. Why would stars potentially have been much larger earlier in the history of the universe?

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The Answer of At the center of the Milky Way galaxy, a supermassive black hole is thought to exist. Similar supermassive black holes are thought to exist at the center of spiral galaxies throughout the universe. The stars that originally formed these black holes must have been extraordinarily large. Why would stars potentially have been much larger earlier in the history of the universe?

At the Center of the Milky Way Galaxy, a Supermassive