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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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Astronomers say the Milky Way may not contain a supermassive black hole at its center after all.

From Science Daily

"We are not just replacing the black hole with a dark object; we are proposing that the supermassive central object and the galaxy's dark matter halo are two manifestations of the same, continuous substance."

From Science Daily

Known as dark stars, such objects could grow to enormous sizes and may naturally evolve into the seeds that later become supermassive black holes.

From Science Daily

Scientists have long known that supermassive black holes existed surprisingly early in the universe, but how they reached those enormous sizes remained unclear.

From Science Daily

This process appears to provide a long missing connection between the universe's first stars and the supermassive black holes seen later at the centers of galaxies.

From Science Daily