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| NASA illustration |
What a thought! In about four billion years, our Milky Way and our neighboring Andromeda Galaxy (M31) will collide and merge to form a strange new galaxy. At least according to measurements that the Hubble Space Telescope has gathered on the motion of the Andromeda Galaxy. I guess we shouldn't lose any sleep over this, but it is interesting to think what fate might await our area of the Universe.
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