Artist's Conception of Intermediate-mass Black Hole (1 of 2) (image) Harvard-Smithsonian Center for Astrophysics Share Print E-Mail Caption In this artist's illustration, an intermediate-mass black hole in the foreground distorts light from the globular star cluster in the background. New research suggests that a 2,200 solar-mass black hole resides at the center of the globular cluster 47 Tucanae. Credit CfA / M. Weiss Usage Restrictions None Share Print E-Mail 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.