At 36 billion solar masses, is the heaviest black hole too massive?

August 12, 2025

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1 min read

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Big Think

At the center of Hubble's famous "cosmic horseshoe," a very heavy supermassive black hole has been robustly measured. How is it possible?

Sign up for the Starts With a Bang newsletter Travel the universe with Dr. Ethan Siegel as he answers the biggest questions of all. Subscribe Within practically every modern galaxy, a central supermassive black hole can be found. Our own Milky Way ho... [19698 chars]

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