A Supermassive Black Hole's Strong Magnetic Fields Revealed in a New Light

22/11/2023 3 min Episodio 43
A Supermassive Black Hole's Strong Magnetic Fields Revealed in a New Light

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The Event Horizon Telescope (EHT) collaboration has published new results that describe for the first time how light from the edge of the supermassive black hole M87* spirals as it escapes the black hole’s intense gravity, a signature known as circular polarization. The way light’s electric field prefers to rotate clockwise or counterclockwise as it travels carries information about the magnetic field and types of high-energy particles around the black hole.