Two Neutron Stars (IMAGE) Naval Research Laboratory Caption Artists' rendition of the merger of two neutron stars. Top panel: two stars are still separated, but starting to spiral together and emitting gravitational waves; Bottom panel: collision has occurred and the system is emitting electromagnetic radiation. Credit NASA 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.