On left, a blob of glowing hydrogen gas appears yellow. On right, the blue light is evidence for a growing supermassive black hole in the center of the galaxy. The hydrogen gas appears yellow. Credit: X-ray (NASA/CXC/Durham Univ./D.Alexander et al.); Optical (NASA/ESA/STScI/IoA/S.Chapman et al.); Lyman-alpha Optical (NAOJ/Subaru/Tohoku Univ./T.Hayashino et al.); Infrared (NASA/JPL-Caltech/Durham Univ./J.Geach et al.)
