We Finally Found The Galaxies That Collided With The Milky Way

About 4.5 billion years from now, the Milky Way will collide with the Andromeda galaxy. This epic collision will lead to the formation of a new elliptical galaxy often nicknamed Milkomeda or Milkdromeda. But this won’t be the first collision of our galaxy.

Our galaxy is a monster that has crossed paths with and destroyed several galaxies in the past. But how do we know that it had a violent history? Where are those galaxies that once crossed paths with our galaxy? And most importantly, how did those collisions affect the evolution and the shape of the Milky Way?

The Discoveries Series is about the research on Milky Way’s past collisions with other galaxies. Astronomers have made two major discoveries related to the past collisions of the Milky Way.

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