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A mysterious gamma-ray stream comes from the Milky Way's center. Could dark matter have something to do wit...

A gamma-ray emission known as the Galactic Center Excess is radiating from the heart of the Milky Way. Recent machine learning research indicates that self-annihilating dark matter cannot be ruled out as the cause. This keeps dark matter as a leading explanation for the mysterious signal.

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New AI research and analysis have reopened the debate on dark matter as the source of the Galactic Center Excess.

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  1. Dark Matter Remains Potential Source of Milky Way Gamma-Ray Glow

    A gamma-ray emission known as the Galactic Center Excess is radiating from the heart of the Milky Way. Recent machine learning research indicates that self-annihilating dark matter cannot be ruled out as the cause. This keeps dark matter as a leading explanation for the mysterious signal.

    What's confirmed:

    • The Milky Way core is emitting a mysterious gamma-ray glow called the Galactic Center Excess.
    • Machine learning research has failed to rule out self-annihilating dark matter as the source of this emission.

    Still unconfirmed:

    • The pulsar hypothesis for the signal would require more than 35,000 sources.
    • Three mysterious signals from the center of the Milky Way could be coming from a particular kind of dark matter.
    • A new dark matter model may explain why gamma radiation appears in some galaxies and not others.
    confidence 90%