Supermassive black hole illustration (IMAGE) NASA/Goddard Space Flight Center Caption This illustration shows the accretion disk, corona (pale, conical swirls above the disk), and supermassive black hole of active galaxy 1ES 1927+654 before its recent flare-up. Credit NASA/Sonoma State University, Aurore Simonnet Usage Restrictions No restrictions. License Public Domain 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.