Space · Topic 114 of 119
Galaxy Collisions
⭐ MasteredGalaxies sometimes collide and merge over billions of years. Even though stars are far apart, galaxy collisions can trigger new star formation and change the shape of galaxies.
💡 Fun fact
The Milky Way and the Andromeda Galaxy are expected to collide and merge in about 4 billion years.
All about Galaxy Collisions
Galaxies sometimes collide and merge over billions of years. Even though stars are far apart, galaxy collisions can trigger new star formation and change the shape of galaxies. Collisions are slow, and they can take hundreds of millions of years.
Astronomers are studying how such mergers shape the universe.
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