A new image of galaxy OJ 287 reveals for the first time the sharply curved, ribbon-like structure of the plasma jet emitted from its center. Credit: © Dr Efthalia Traianou, Heidelberg University, IWR For more than a century and a half, astronomers have been captivated by the distant galaxy OJ 287, located about five billion light years from Earth. Its puzzling variations in brightness have long hinted that two enormous black holes may be orbiting and merging at its center. Now, an international