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- Active_galactic_nucleus abstract "An active galactic nucleus (AGN) is a compact region at the centre of a galaxy that has a much higher than normal luminosity over at least some portion, and possibly all, of the electromagnetic spectrum. Such excess emission has been observed in the radio, microwaves, infrared, optical, ultra-violet, X-ray and gamma ray wavebands. A galaxy hosting an AGN is called an active galaxy. The radiation from AGN is believed to be a result of accretion of mass by a supermassive black hole at the centre of its host galaxy. AGN are the most luminous and persistent sources of electromagnetic radiation in the universe, and as such can be used as a means of discovering distant objects; their evolution as a function of cosmic time also puts constraints on models of the cosmos.".
- Active_galactic_nucleus thumbnail M87_jet.jpg?width=300.
- Active_galactic_nucleus wikiPageExternalLink 2013-06-dusty-giant-black-hole.html.
- Active_galactic_nucleus wikiPageID "177092".
- Active_galactic_nucleus wikiPageRevisionID "605571043".
- Active_galactic_nucleus hasPhotoCollection Active_galactic_nucleus.
- Active_galactic_nucleus subject Category:Active_galaxies.
- Active_galactic_nucleus subject Category:Active_galaxy_types.
- Active_galactic_nucleus subject Category:Classification_systems.
- Active_galactic_nucleus type Abstraction100002137.
- Active_galactic_nucleus type ActiveGalaxies.
- Active_galactic_nucleus type Arrangement105726596.
- Active_galactic_nucleus type ClassificationSystem105727220.
- Active_galactic_nucleus type ClassificationSystems.
- Active_galactic_nucleus type Cognition100023271.
- Active_galactic_nucleus type Collection107951464.
- Active_galactic_nucleus type Galaxy108270938.
- Active_galactic_nucleus type Group100031264.
- Active_galactic_nucleus type PsychologicalFeature100023100.
- Active_galactic_nucleus type Structure105726345.
- Active_galactic_nucleus comment "An active galactic nucleus (AGN) is a compact region at the centre of a galaxy that has a much higher than normal luminosity over at least some portion, and possibly all, of the electromagnetic spectrum. Such excess emission has been observed in the radio, microwaves, infrared, optical, ultra-violet, X-ray and gamma ray wavebands. A galaxy hosting an AGN is called an active galaxy.".
- Active_galactic_nucleus label "Actief sterrenstelsel".
- Active_galactic_nucleus label "Active galactic nucleus".
- Active_galactic_nucleus label "Aktiver Galaxienkern".
- Active_galactic_nucleus label "Galaktyka aktywna".
- Active_galactic_nucleus label "Galassia attiva".
- Active_galactic_nucleus label "Galaxia activa".
- Active_galactic_nucleus label "Galaxie active".
- Active_galactic_nucleus label "Активные ядра галактик".
- Active_galactic_nucleus label "نواة مجرة نشطة".
- Active_galactic_nucleus label "活动星系核".
- Active_galactic_nucleus label "活動銀河".
- Active_galactic_nucleus sameAs Aktivní_galaktické_jádro.
- Active_galactic_nucleus sameAs Aktiver_Galaxienkern.
- Active_galactic_nucleus sameAs Ενεργός_Γαλαξίας.
- Active_galactic_nucleus sameAs Galaxia_activa.
- Active_galactic_nucleus sameAs Galaxie_active.
- Active_galactic_nucleus sameAs Galassia_attiva.
- Active_galactic_nucleus sameAs 活動銀河.
- Active_galactic_nucleus sameAs 활동은하핵.
- Active_galactic_nucleus sameAs Actief_sterrenstelsel.
- Active_galactic_nucleus sameAs Galaktyka_aktywna.
- Active_galactic_nucleus sameAs m.01808_.
- Active_galactic_nucleus sameAs Q46587.
- Active_galactic_nucleus sameAs Q46587.
- Active_galactic_nucleus sameAs Active_galactic_nucleus.
- Active_galactic_nucleus wasDerivedFrom Active_galactic_nucleus?oldid=605571043.
- Active_galactic_nucleus depiction M87_jet.jpg.
- Active_galactic_nucleus isPrimaryTopicOf Active_galactic_nucleus.
