: a region at the center of a galaxy that produces an extremely large amount of radiation
Examples of quasar in a Sentence
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Measurements of distances to quasars based on radio-interferometric techniques, for instance, are advancing, and there are prospects for using fluctuations in galaxy-surface brightness.
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Marc Kamionkowski, Scientific American, 15 Oct. 2024
Or at least a lot like quasars from more recent periods in the Universe's history.
—John Timmer, Ars Technica, 17 June 2024
Once activated, they are called active galactic nuclei, AGN, or quasars.
—Giuseppina Fabbiano, Discover Magazine, 31 May 2024
Having the tools to shore up your scripts — a better understanding of the nature of quasars, or the wave-particle duality of matter and light — is surely no bad thing.
—Remy Blumenfeld, The Hollywood Reporter, 18 May 2024
See all Example Sentences for quasar 
Marc Kamionkowski, Scientific American, 15 Oct. 2024
Or at least a lot like quasars from more recent periods in the Universe's history.
—John Timmer, Ars Technica, 17 June 2024
Once activated, they are called active galactic nuclei, AGN, or quasars.
—Giuseppina Fabbiano, Discover Magazine, 31 May 2024
Having the tools to shore up your scripts — a better understanding of the nature of quasars, or the wave-particle duality of matter and light — is surely no bad thing.
—Remy Blumenfeld, The Hollywood Reporter, 18 May 2024
See all Example Sentences for quasar
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“Quasar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quasar. Accessed 30 Oct. 2024.
Copy CitationKids Definition
quasar
noun
qua·sar
ˈkwā-ˌzär 
also -ˌsär
: any of the very distant starlike heavenly objects that give off very strong blue and ultraviolet light and powerful radio waves
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