OJ 287 is approximately 5 billion light-years away from us, in the constellation Cancer. It shines with great luminosity, as do other quasars, because a black hole at the center of the quasar eats gas ...

Detailed image shows unusual structure of the emitted plasma jet - two supermassive black holes assumed to be merging in the galaxy core. A new image of galaxy OJ 287 reveals for the first time the ...

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. This image may be used only in connection with the contents ...

For more than 150 years, the OJ 287 galaxy and its brightness variations five billion light years away has both puzzled and fascinated astronomers, because they suspect two supermassive black holes ...