Braided Birkeland currents, galaxy M87

The heart of the galaxy known as M87 is a place of unimaginable violence. A black hole about three billion times as massive as the Sun sits at the galaxy's center -- one of the most massive black holes ever measured. As gas spirals into the black hole, it's heated to millions of degrees, so it produces enormous amounts of X-rays. Some of the hot gas around the black hole shoots back into the galaxy in powerful jets that span thousands of light-years... (see link above)