Astronomers have found the largest known structure in the universe. The large quasar group (LQG) is so large that it would take a vehicle. A quasar (/ˈkweɪzɑːr/) (also quasi-stellar object or QSO) is an active galactic nucleus of very .. The largest known is estimated to consume matter equivalent to Earths per minute. Quasar luminosities can vary considerably over time. A large quasar group (LQG) is a collection of quasars that form what are thought to constitute the largest astronomical structures in the known universe. Prominent LQGs · List of LQGs.
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