A whirling plane of satellite galaxies around Centaurus A challenges cold dark matter cosmology

31 Jan 2018 Müller Oliver Pawlowski Marcel S. Jerjen Helmut Lelli Federico

The Milky Way and Andromeda galaxy are each surrounded by a thin plane of satellite galaxies that may be corotating. Cosmological simulations predict that most satellite galaxy systems are close to isotropic with random motions, so those two well-studied systems are often interpreted as rare statistical outliers... (read more)

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Categories


  • ASTROPHYSICS OF GALAXIES
  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS