Distant galaxy group contradicts common cosmological models, simulations. Astronomers have determined that Centaurus A, a massive elliptical galaxy 13 million light-years from Earth, is accompanied by a number of dwarf satellite galaxies orbiting the main body in a narrow disk. The researchers note that this is the first time such a galactic arrangement has been observed outside the Local Group, home to the Milky Way. Source 9x.
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