
Key Takeaways:
Over the next 5 billion years, our home galaxy will merge with the Andromeda Galaxy. The galaxies will interact through several near-misses, drawing out long tidal “tails” of material that could cause our Sun to jump ship and join Andromeda before the final merger. This video sequence is based on actual computer simulations by astronomers T.J. Cox of the Harvard-Smithsonian Center for Astrophysics.