For first time, images capture black hole’s magnetic fields
https://news.harvard.edu/gazette/story/2021/03/for-first-time-images-capture-black-holes-magnetic-fields/
webMar 24, 2021 · Images released today by the Event Horizon Telescope (EHT) collaboration reveal how the black hole, some 55 million light-years away, appears in polarized light. The image marks the first time astronomers have captured and mapped polarization, a sign of magnetic fields, so close to the edge of a black hole.
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