Chinese Journal of Nature ›› 2017, Vol. 39 ›› Issue (5): 353-357.

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The Milky Way galaxy PK Andromeda galaxy

ZHAO Junliang   

  1. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
  • Received:2017-04-05 Revised:2017-05-05 Online:2017-10-25 Published:2017-12-18

Abstract:

Which is the most massive member in the Local Group,the Milky Way galaxy or Andromeda galaxy? The dynamical mass of the Milky Way galaxy or Andromeda galaxy can be estimated in different ways. Up to now, however, the unanimity has not yet been reached for the above problem.

Key words: Local Group, Milky Way galaxy, Andromeda galaxy, dynamical mass