- Quasar - Wikipedia
Quasar luminosities can vary considerably over time, depending on their surroundings Since it is difficult to fuel quasars for many billions of years, after a quasar finishes accreting the surrounding gas and dust, it becomes an ordinary galaxy
- Quasar Framework
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- Hubble Quasars - NASA Science
Quasars occur when immense amounts of matter fall into a supermassive black hole, spiraling around it in the form of a disk before entering
- Scientists discover 53 powerful quasars shooting out jets up to 50 . . .
Astronomers have discovered 53 new quasars powered by feeding supermassive black holes that are blasting out jets up to 50 times the width of the Milky Way
- Quasar | Discovery, Structure Evolution | Britannica
Quasar, 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
- Quasar – Definition, Formation, Facts in Astronomy
Learn what a quasar is in astronomy, how it forms, types of quasars, and what they tell us about the early universe
- What is a quasar? - EarthSky
What is a quasar? The 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
- Quasar - ESA Hubble
Quasars are a subclass of active galactic nuclei (AGNs), extremely luminous galactic cores where gas and dust falling into a supermassive black hole emit electromagnetic radiation across the entire electromagnetic spectrum
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