Magnetic Fields May Be the Key to Black Hole Activity Posted on October 17, 2018 by Frank Cisco This artist’s conception of the core of Cygnus A shows the dusty donut-shaped surroundings, called a torus, and jets launching from its center. via NASA https://ift.tt/2P0z3hl Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related