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Supermassive black holes
Bad Astronomy | The supermassive black hole in the galaxy M87 is seen by 19 observers
Bad Astronomy | Double quasars can be found in a new way
Bad Astronomy | The farthest quasar found has a supermassive black hole too large
Scientists assume there is a monstrous black hole that rises deep into space, but avoids telescopes
Bad Astronomy | A supermassive black hole in a galaxy in Abell 2261 is missing
