Definition, Meaning & Synonyms
quasar
noun
ˈkwā-ˌzär
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Definition
A quasar is a highly luminous and distant celestial object, powered by a supermassive black hole at the center of a galaxy.
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Examples
- The discovery of quasars changed our understanding of the universe.
- Quasars are often used as markers for measuring vast distances in space.
- Scientists study quasars to learn about the formation of galaxies.
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Meaning
Quasars are among the most energetic and distant members of a class of objects known as active galactic nuclei.
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Synonyms
- active galactic nucleus
- blazar
- radio galaxy