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When galaxies collide

Although the Milky Way’s scheduled collision with the Andromeda Galaxy in a few billion years may be the most spectacular galaxy smash-up on our horizon, it’s not the only cosmic crash astronomers have studied. Watch these computer simulations for a taste of what gravity can fashion.
RELATED TOPICS: GALAXIES | GALAXY EVOLUTION
Galaxy group merger
Although the Milky Way’s scheduled collision with the Andromeda Galaxy in a few billion years may be the most spectacular galaxy smash-up on our horizon, it’s not the only cosmic crash astronomers have studied.

Astronomy magazine subscribers can watch these computer simulations for a taste of what gravity can fashion for free. Just make sure you're registered with the website.

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