supermassive
adjective
su·per·mas·sive
ˌsü-pər-ˈma-siv 
Examples of supermassive in a Sentence
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In fact, confirming these stars existed at such tremendous masses in the early universe could help explain how supermassive black holes grew to masses equivalent to that of millions of suns before the cosmos was even 1 billion years old.
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Robert Lea, Space.com, 15 Dec. 2025
Unlike supermassive black holes, stellar mass black holes change on human timescales of hours and even minutes.
—Chris Young, Interesting Engineering, 4 Dec. 2025
The source of the flare is an active galactic nucleus, or AGN — a bright, compact region at the center of a galaxy — and it’s powered by a supermassive black hole that is actively feeding on material.
—Ashley Strickland, CNN Money, 7 Nov. 2025
At least, that's the theory of a team of astronomers who tracked and studied the burst of energy emanating from a supermassive black hole 10 billion light-years away.
—Eric Lagatta, USA Today, 5 Nov. 2025
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Robert Lea, Space.com, 15 Dec. 2025
Unlike supermassive black holes, stellar mass black holes change on human timescales of hours and even minutes.
—Chris Young, Interesting Engineering, 4 Dec. 2025
The source of the flare is an active galactic nucleus, or AGN — a bright, compact region at the center of a galaxy — and it’s powered by a supermassive black hole that is actively feeding on material.
—Ashley Strickland, CNN Money, 7 Nov. 2025
At least, that's the theory of a team of astronomers who tracked and studied the burst of energy emanating from a supermassive black hole 10 billion light-years away.
—Eric Lagatta, USA Today, 5 Nov. 2025
See All Example Sentences for supermassive
Cite this Entry
“Supermassive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supermassive. Accessed 18 Dec. 2025.
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