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Milkdromeda
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Milkdromeda

Credit: NASA
Source: http://en.wikipedia.org/wiki/File:Milky_Way_%26_Andromeda_Galaxy_Collision.jpg
License: CC BY-NC 3.0

What do you get when the Andromeda Galaxy and our own Milky Way Galaxy collide? The Milkdromeda Galaxy, of course.

Why It Matters

  • Every star that we can see with our eyes is in the Milky Way Galaxy.
  • A blur in the sky is an entirely different spiral galaxy, the closest galaxy to us, Andromeda.
  • Both galaxies have 100 billion or more stars.
  • The estimates for the time when the collision between the two galaxies will occur are very different.

Explore More/Show What You Know/Can You Apply It?

With the links below, learn more about Milkdromeda. Then answer the following questions.

  1. How did scientists figure out how Andromeda is moving through space?
  2. What type of galaxy will Milkdromeda be and what will its stars be like?
  3. Why are individual stars and planetary systems likely to survive this incredible collision?
  4. What will future intelligent life on Earth see before and after the collision?

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