A high-energy neutrino may have come from a black hole explosion, hinting at Hawking radiation and dark matter clues.
Event Horizon Telescope data reveal the magnetic field around M87* shifted, weakened and then flipped, defying theoretical expectations.
——For many yearsEHTobservations have captured the evolving polarization patterns around supermassive black holes, detecting230 GHzradiation at the base of their jets.
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