Closest Binary Supermassive Black Hole System in the Galaxy NGC 7674 (image) Tata Institute of Fundamental Research Share Print E-Mail Caption The two compact radio sources separated by less than a light year at the center of the galaxy NGC7674. The two sources correspond to the location of the two active supermassive black holes which form a binary and orbit around each other. Credit TIFR-NCRA and RIT, USA 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.