Quasars are the most luminous objects in the universe and are powered by material accreting onto supermassive black holes at the centers of galaxies. Studies have shown that early-universe quasars ...

Magnetic fields twist around the black hole as it rotates to store energy – kind of like when you pull and twist a rubber band. When you release the rubber band, it snaps forward. Similarly, the ...

Abstract: Quasars in the Age of Time-Domain Astronomy: Black hole feeding, visible as quasars, is a critical ingredient in many fields from galaxy evolution to multi-messenger gravitational wave ...

Daedalus, Vol. 143, No. 4, From Atoms to the Stars (Fall 2014), pp. 103-113 (11 pages) Quasars emit more energy than any other object in the universe, yet are not much bigger than our solar system.