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![]() Date: 2015-03-20 18:07:12Radio astronomy Blazar Seyfert galaxy Radio galaxy Astrophysics Quasar Low-ionization nuclear emission-line region Galaxy Eddington luminosity Astronomy Extragalactic astronomy Active galactic nucleus | Source URL: background.uchicago.eduDownload Document from Source WebsiteFile Size: 3,87 MBShare Document on Facebook |