NASAS Fermi Measures Cosmic Fog Produced by Ancient
18 of 108

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)

comments powered by Disqus