Supermassive Black Hole (IMAGE) University of Toronto Caption This is an artist's impression of a supermassive black hole, with matter falling into it rotating as a disk heating up in its center, and two jets of relativistic particles emitted along the axis. Some gas and stars from the surrounding galaxy are visible in the background. Credit Casey Reed 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.