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• 21:33, 25 January 2026 DanteWashere talk contribs created page Active galactic nucleus (Created page with "'''Active galactic nucleus''' is a compact region at the center of a galaxy that emits large amounts of energy across the electromagnetic spectrum. It is associated with accretion onto a supermassive black hole. Active galactic nuclei are discussed in astrophysics, extragalactic astronomy, and high-energy astronomy. == Status == Active galactic nuclei are identified through their spectral properties, variability, and energetic emissions. Models describe their structure...")