Astronomers estimate that the Andromeda galaxy will collide with our own Milky Way galaxy 8 billion years from now.

But CNN reports they now believe that another collision will happen even sooner.

The Large Magellanic Cloud will catastrophically collide with the Milky Way in 2 billion years.

That's according to a study published this month in the Monthly Notices of the Royal Astronomical Society.

The astronomers believe the impact is long overdue, and has a chance of sending our solar system "hurtling through space."

Our galaxy is orbited by smaller satellite galaxies, the kind of dance that can go on undisturbed for billions of years.

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