The Andromeda Galaxy (M31; NGC 224) At a distance of 2.3 million light years, Andromeda is not the closest galaxy to the Earth, although it is certainly the most famous (at least to people in the northern hemisphere). It is the most distant object visible to the naked eye and is thought to be about 50% larger than the Milky Way. In the picture, two companion galaxies can be seen: a small luminous M110 above M31, and a bright star shaped M32 within the lower spiral.

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