From ehtelescope https://twitter.com/ehtelescope on Twitter: For the first time, EHT scientists have mapped the magnetic fields around a black hole using polarized light waves. With this breakthrough, we have taken a crucial step in solving one of astronomys greatest mysteries. Credit: EHT Collaboration # # https://twitter.com/ehtelescope/status/1374722661234962441/photo/1 https://chirp.cooleysekula.net/attachment/71493