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Bookmark or Share- Quasar | Discovery, Structure & Evolution | BritannicaQuasar, an astronomical object of very high luminosity found in the centres of some galaxies and powered by gas spiraling at high velocity into an extremely large black hole. The brightest quasars can outshine all of the stars in the galaxies in which they reside, which makes them visible even at
- Quasar – Definition, Formation, Facts in AstronomyA quasar, short for “quasi-stellar radio source,” is the brightest and most energetic object in the universe. Quasars are the active cores of distant galaxies, powered by supermassive black holes devouring surrounding matter.
- Quasar - WikipediaA quasar (/ ˈ k w eɪ z ɑːr / KWAY-zar) is an extremely luminous active galactic nucleus (AGN). It is sometimes known as a quasi-stellar object, abbreviated QSO. The emission from an AGN is powered by accretion onto a supermassive black hole with a mass ranging from millions to tens of billions of solar masses, surrounded by a gaseous ...
- Quasars: Everything you need to know about the brightest ...Quasars are the remarkably bright cores of active galaxies in the distant universe, they are an extreme form of what astronomers call "active galactic nuclei", or AGN for short....
- What is a quasar? - EarthSkyThe word quasar stands for quasi-stellar radio source. Quasars got that name because they looked starlike when astronomers first began to notice them in the late 1950s and early 60s.
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