Tag Archive for 'Galactic center gamma-ray excess'

This view shows the entire sky at energies greater than 1 GeV based on five years of data from the LAT instrument on NASA’s Fermi Gamma-ray Space Telescope; the most prominent feature is the bright band of diffuse glow along the map’s center, which marks the central plane of our Milky Way Galaxy. Image credit: NASA / DOE / Fermi LAT Collaboration.

Milky Way’s Galactic Center Excess is Due to Dark Matter Annihilation: Study

Oct 20, 2025 by News Staff

The Galactic Center excess is an unexpected concentration of gamma-rays emerging from the center of our Milky Way Galaxy. This view shows the entire sky...

Milky Way’s center produces more high-energy gamma rays than can be explained by known sources. This image shows the Milky Way in visible light and a gamma-ray map from NASA’s Fermi Gamma-ray Space Telescope. Image credit: NASA’s Goddard Space Flight Center / A. Mellinger, Central Michigan University / T. Linden, University of Chicago.

Annihilating Dark Matter May Lurk in Milky Way’s Center

Dec 12, 2019 by News Staff

Gamma rays — the most energetic waves in the electromagnetic spectrum — are typically produced by the hottest, most extreme objects in the...