Astronomers from the Event Horizon Telescope (EHT) collaboration have produced the first-ever polarized picture of a black hole. In 2019, the same team obtained the first-ever image of a black hole. Both images were taken of the same object in the center of the M87 galaxy. The 2019 image, which shows a bright ring-like structure with a dark central region that is the black hole’s shadow, marked a major step forward in our knowledge of these exotic astrophysical objects. Two years later, the new image with polarization information has been released. It is the first time astronomers have measured polarization, a signature of magnetic fields, so close to a black hole, according to a statement. The new image looks similar to the first one, but with crisp lines that show the orientation of polarization. “We are now seeing the next crucial piece of evidence to understand how magnetic fields behave …