Two of the galaxies––galaxy 87a, the edge-on spiral galaxy at the bottom of the image, and galaxy 87b, the elliptical galaxy above and to the right of galaxy 87a––contain active galactic nuclei, which are thought to harbor massive black holes.......
Information |Description=The galaxies of HCG (Hickson Compact Group) 87, about four hundred million light-years distant toward the constellation Capricornus. The large edge-on spiral near picture center, the fuzzy elliptical galaxy immediately to its right.)
