A 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 …

2025年2月8日 · 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 …

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2021年2月28日 · 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 …

2024年10月29日 · A 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 …

2024年10月9日 · The quasar’s brightness is equivalent to about 600 trillion Suns and the supermassive black hole powering it is several hundred million times as massive as our Sun, …

2023年10月19日 · 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 …

Quasars are amongst the most luminous objects in the known Universe, typically emitting thousands of times more light than the entire Milky Way. They are distinguished from other …

The meaning of QUASAR is a region at the center of a galaxy that produces an extremely large amount of radiation.

Quasar is the name of several fictional superheroes appearing in American comic books published by Marvel Comics. They are noted for having worn the Quantum Bands, advanced …