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    COBE (Cosmic Background Explorer) missio tagged posts

    Fermi Gamma-ray Space Telescope detects Surprise Gamma-Ray feature Beyond our Galaxy

    January 15, 2024, Categories  Astronomy/Space

    Artist's concept of gamma ray sky with dipole marked in magenta
    This artist’s concept shows the entire sky in gamma rays with magenta circles illustrating the uncertainty in the direction from which more high-energy gamma rays than average seem to be arriving. In this view, the plane of our galaxy runs across the middle of the map. The circles enclose regions with a 68% (inner) and a 95% chance of containing the origin of these gamma rays.
    NASA’s Goddard Space Flight Center

    Astronomers analyzing 13 years of data from NASA’s Fermi Gamma-ray Space Telescope have found an unexpected and as yet unexplained feature outside of our galaxy.

    “It is a completely serendipitous discovery,” said Alexander Kashlinsky, a cosmologist at the University of Maryland and NASA’s Goddard Space Flight Center in Greenbelt, who presented the research at the 243rd mee...

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