Galaksi Messier 77, Penemuan Baru Teleskop Hubble yang
galaksi 77Galaksi Messier 77: Penemuan Baru Hubble Mengungkap Tentakel Kosmik yang MembingungkanAs other active galactic nuclei, the central region of Messier 77 is powered by a black hole that is surrounded by a thin accretion disc, which