When galaxies collide (in about 4 billion years)

After nearly a century of speculation, the Hubble Telescope can now predict with certainty: the titanic collision of the Milky Way galaxy with the neighboring Andromeda galaxy is approximately 4 billion years away.

When this happens, it’s likely the sun will be flung into a new region of the Milky Way, but Earth and the solar system are in no danger of being destroyed.

Read more at NASA

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