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  • Astronomers image magnetic fields at the edge of a black hole

    Mar 24, 2021 9:00 am by Illinois Center for Advanced Studies of the UniverseResearch
    A view of the M87 supermassive black hole in polarized light. Photo credit: The EHT collaboration

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    • A view of the M87 supermassive black hole in polarized light. Photo credit: The EHT collaboration

    The Event Horizon Telescope collaboration has revealed how a black hole looks in polarized light. This is the first time astronomers have been able to measure polarization, a signature of magnetic fields, this close to the edge of a black hole.