Pulsar Animation (VIDEO) Green Bank Observatory This video is under embargo. Please login to access this video. Caption Artist impression and animation of the Shapiro Delay. As the neutron star sends a steady pulse towards the Earth, the passage of its companion white dwarf star warps the space surrounding it, creating the subtle delay in the pulse signal. Credit BSaxton, NRAO/AUI/NSF Usage Restrictions use only with appropriate credit intact 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.