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supermassive

British  
/ ˌsuːpəˈmæsɪv /

adjective

  1. (of a black hole or star) having a mass in the range of millions or billions of times that of the sun

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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That was partly because astronomers concentrated their searches there, since all known supermassive black holes had been located at galaxy centers.

From Science Daily Jul. 28, 2026

The observatory has been responsible for helping identify objects like supermassive black holes, discovering new galaxies and tracking spacecraft.

From BBC Jul. 28, 2026

How galaxies evolve, and the role played by supermassive black holes.

From BBC Jul. 27, 2026

They are fueled by supermassive black holes that consume surrounding material at the centers of galaxies, producing so much energy that they can be seen across billions of light years.

From Science Daily Jul. 9, 2026

If Arp is right, the exotic mechanisms proposed to explain the energy source of distant quasars—supernova chain reactions, supermassive black holes and the like—would prove unnecessary.

From "Cosmos" by Carl Sagan

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