Andromeda–Milky Way collision

The Andromeda–Milky Way collision is a galactic collision that may occur in about 4.5 billion years between the two largest galaxies in the Local Group—the Milky Way (which contains the Solar System and Earth) and the Andromeda Galaxy.

The stars involved are sufficiently spaced that it is improbable that any of them would individually collide, though some stars may be ejected.

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