The Amdromeda Spiral (or M31) is the largest galaxy in our local group, covering an area of the sky five times the diameter of the moon.It is the mont distant phenomenon that can be veiwed with naked eye.M31 is moving towards The Milky Way at a rate of 9 million kilometers each day and eventully the two will collide causing an eruption of new stars.As M31 contains two nuclei this will probaly not be the first time it has consumed other galaxys.
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