NASA'S Fermi Measures Cosmic 'Fog' Produced by Ancient Starlight
January 11, 2013
Fermi measured the amount of gamma-ray absorption in blazar spectra produced by ultraviolet and visible starlight at three different epochs in the history of the universe. (Credit: NASA's Goddard Space Flight Center)
Topics:
Space telescopes, Spacecraft, Physics, Environment, Technology Internet, Gamma-ray astronomy, Goddard Space Flight Center, Gamma ray, Enrico Fermi, Spaceflight, Sonoma State University, Fermi Gamma-ray Space Telescope, Astrophysics, Radiation, National Aeronautics and Space Administration
