Fermi telescope reveals best-ever view of the gamma-ray sky
Wednesday, March 11, 2009 - 11:56
in Astronomy & Space
(PhysOrg.com) -- A new map combining nearly three months of data from NASA's Fermi Gamma-ray Space Telescope is giving astronomers an unprecedented look at the high-energy cosmos. To Fermi's eyes, the universe is ablaze with gamma rays from sources ranging from within the solar system to galaxies billions of light-years away.