Field galaxy

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A field galaxy is a galaxy that does not belong to a larger cluster of galaxies and hence is gravitationally alone.

Most galaxies, roughly 80%, within 5Mpc of us exist in groups or clusters of galaxies.[1]

Most low-surface-brightness galaxies are field galaxies.[2]


  1. ^ Astronomische Nachrichten, "On the Emptiness of Voids", Schmidt, K.-H.; Bohm, P.; Elsasser, H.; vol. 318, no. 2, p. 81, Bibcode1997AN....318...81S
  2. ^ "An Introduction to Galaxies and Cosmology", David J. Adams and others