Binary System (IMAGE) University of Cambridge Caption Artist's impression depicting a compact object -- either a black hole or a neutron star -- feeding on gas from a companion star in a binary system. Credit ESA - C. Carreau Usage Restrictions Please credit to ESA - C. Carreau 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.