Fermi Illustration (IMAGE) NASA/Goddard Space Flight Center Caption An illustration of NASA's Fermi Gamma-ray Space Telescope orbiting Earth. Credit NASA's Goddard Space Flight Center Conceptual Image Lab 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.