+A blazar is a luminous [active galactic nucleus](/wiki/Active_galaxy) where a relativistic jet of plasma streams directly towards Earth. Powered by a central supermassive [black hole](/wiki/Black_hole), these cosmic beacons are among the most energetic objects in the universe, displaying rapid changes in brightness.
+## See also
+- [Quasar](/wiki/Quasar)
+- [Jet](/wiki/Jet)
+- [Gamma Ray](/wiki/Gamma_Ray)
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