Concepedia
Annual Review of Astronomy and Astrophysics · 1984 · 1.5K citations · 0 references
Natural SciencesAstronomyPhysicsAstrophysicsCosmologyStellar AstronomyBlack HolesGalactic AstrophysicsGalactic NucleiNeutron StarsActive Galactic Nuclei ContributionActive Galactic Nucleus ContributionActive Galaxy NucleiBlack Hole PhysicsUnified Model Of Active Galactic Nuclei