Detecting this object was no easy task. The light from J1342+0928 has taken more than 13 billion years to reach us, so it's extremely faint and very redshifted. Quasars were powerful generators of short-wavelength radiation, like X-rays. But after traveling 13 billion light-years, the radiation has been stretched to the infrared part of the spectrum, so only the most sensitive infrared survey telescopes can detect it. … [Read more...] about Most Distant Black Hole Discovered, But Why Is It Such a Monster?