Tag: Quasar
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Quasar
Introduction A quasar, or a quasi-stellar object (QSO), is an extremely luminous active galactic nucleus (AGN). Quasars are among the most distant objects in the universe, and their extreme brightness is generated by supermassive black holes at the center of galaxies. The Power Source of a Quasar The central engine powering quasars is a supermassive…