Image (IMAGE) Moscow Institute of Physics and Technology Caption An active galactic nucleus, or quasar, hosts a black hole with an accretion disk of matter orbiting around and two jets of plasma beaming outward Credit Credit: ESA/Hubble, L. Calçada (ESO) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.