NASA'S Fermi Measures Cosmic 'Fog' Produced by Ancient Starlight
January 11, 2013
This illustration places the Fermi measurements in perspective with other well-known features of cosmic history. Star formation reached a peak when the universe was about 3 billion years old and has been declining ever since. (Credit: NASA's Goddard Space Flight Center)
Topics:
Space telescopes, Physics, Science, Sonoma State University, Fermi Gamma-ray Space Telescope, Cosmic ray, Enrico Fermi, Astrophysics, Cosmic microwave background radiation, Goddard Space Flight Center, Spaceflight, National Aeronautics and Space Administration
