Vela Pulsar (IMAGE) NASA/Goddard Space Flight Center Caption This photo shows pulsed gamma rays from the Vela pulsar as constructed from photons detected by Fermi's Large Area Telescope. A single pulsar cycle is repeated four times. Credit NASA SVS 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.