X-ray Binary Pulsar (IMAGE) National Radio Astronomy Observatory Caption Neutron star and its companion during a period of accretion when the neutron star emits powerful X-rays. Credit Bill Saxton; NRAO/AUI/NSF Usage Restrictions None 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.