Event Horizon (image) Massachusetts Institute of Technology Share Print E-Mail Caption This artist's impression shows hot gas orbiting in a disk around a rapidly-spinning black hole. The elongated spot depicts an X-ray-bright region in the disk, which allows the spin of the black hole to be estimated. Credit NASA/CXC/M. Weiss Usage Restrictions Embargoed: Not for Release Until 5:15 pm U.S. Eastern Time Wednesday, 9 January 2019. 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.