Bright Galaxies, Dark Matter, and BeyondBy: Ashley Jean Yeager How Vera Rubin convinced the scientific community that dark matter might exist, persevering despite early dismissals of her work. We now know that the universe is mostly dark, made up of particles and forces that are undetectable even by our most powerful telescopes. The discovery of the possible existence of dark matter and dark energy signaled a Copernican like revolution in astronomy: not only are we not the center of the