Black-hole Fuel (image) University of Chicago Share Print E-Mail Caption In this image from a supercomputer simulation, two galaxies have merged into a single structure and the formation of a nuclear disk of gas. These nuclear disks are believed to provide the fuel that feeds the supermassive black holes in galaxies. Credit Image courtesy of Stelios Kazantzidis 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.