M 31 or NGC 224, better known as the Andromeda galaxy, is a barred spiral galaxy about 2.5 million light-years from the Milky Way and it is the largest galaxy in the Local Group.
The glow that can be seen in the lower left is part of the galaxy M 110, a satellite of the Andromeda galaxy.


One response to “M 31”

  1. Maria Pellegrini Avatar
    Maria Pellegrini

    Non lo avrei mai scoperto senza questo sito. Grazie per questa informazione Luca.

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