Friday, September 27, 2013

M31 versus M33





This is a picture of the galaxies M31 and M33. They are two members of our local group. M31 is the well known Andromeda Galaxy, our closest neighboring galaxy, and M33 is the lesser known Triangulum Galaxy. These two galaxies will merge with ours in a few billion years. The star in the center of the picture is Mirach and is part of the Milky Way.   

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