"Which Came First Galaxies or the Black Holes at their Core?" --60 Newly Discovered Quasars Powered by Gargantuan Black Holes May Hold the Clue

Quasars, stupendously bright regions in the cores of galaxies, powered by gargantuan black holes, will deepen our understanding of why nearly all galaxies have supermassive black holes at their cores, begging the chicken-or-the-egg question of which came first, the galaxies...