Milky Way in Visible Light, with a Superimposed Gamma-ray Map (video) NASA/Goddard Space Flight Center Share Print E-Mail Loading video... Caption This animation zooms into an image of the Milky Way, shown in visible light, and superimposes a gamma-ray map of the galactic center from NASA's Fermi. Raw data transitions to a view with all known sources removed, revealing a gamma-ray excess hinting at the presence of dark matter. Various Broadcast quality formats: http://svs.gsfc.nasa.gov/vis/a010000/a011500/a011513/ Credit NASA Goddard; A. Mellinger, CMU; T. Linden, Univ. of Chicago Usage Restrictions None Share Print E-Mail 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.