Astronomers using Hubble found that Markarian , the nearest galaxy that hosts a quasar, is powered by two central black holes furiously whirling about each. A quasar (/ˈkweɪzɑːr/) (also quasi-stellar object or QSO) is an active galactic nucleus of very high luminosity. A quasar consists of a supermassive black hole Overview · Properties · Emission generation · History of observation. Quasars are by far the brightest objects in the universe. Although the mass of a typical quasar black hole is very large, its radius is only about as large as our. He's also the co-host of Astronomy Quasar black with Dr. Related posts Why Are Planets Round? Intermediate At what speed does the Earth move around the Sun? Related images and videos Hubblecast The magnetic environment sunmaker oder stargames the black hole forms twin jets of material which flow out into space for millions of light-years. Monthly Notices of the Royal Astronomical Society. Interaction Help About Wikipedia Community portal Recent changes Contact page.