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场星系

场星系Field galaxy)是不属于任何一个更大的星系群星系,因此它的引力是单独的。

所有的星系中,与银河系的距离在5 Mpc(16 Mly)范围内的,大约80%的星系都属于同一个星系集团[1]。大多数低表面亮度星系都是场星系[2]。场星系在哈伯类型中位数是Sb,是螺旋星系的一种。

参考资料

  1. ^ Astronomische Nachrichten, "On the Emptiness of Voids", K.-H. Schmidt; Petra Böhm; Hans Elsässer; vol. 318, no. 2, p. 81, Bibcode1997AN....318...81S
  2. ^ "An Introduction to Galaxies and Cosmology", David J. Adams and others
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场星系
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