When galaxies collide

Chapter 1

The cosmic roadmap

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Chapter 2

The physics of a smash-up

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Chapter 3

The birth of Milkomeda

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Chapter 4

Collisions across the cosmic web

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YOUR GOAL

Master of When galaxies collide

Ch 3 · The birth of Milkomeda

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teacher When our galaxies collide, we'll dance right through the space without a single crash!

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teacher The fate of our Solar System

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Fun Fact

Milkomeda name: The name 'Milkomeda' was popularized by astrophysicist Avi Loeb to describe our merged galactic home.

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teacher The rise of an elliptical giant

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Glossary

milkomeda (noun)
The giant elliptical galaxy predicted to form from the future merger of the Milky Way and Andromeda. Astrophysicists T.J. Cox and Avi Loeb coined this name in a landmark 2007 computer simulation study.

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Quiz

Based on current estimates, when will the first close pass of Andromeda occur?

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Gossip

What is the coolest name for our future merged galaxy?

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Quiz

What shape will the final merged Milkomeda galaxy most likely have?

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Quiz

What will happen to Earth's oceans by the time the galactic merger begins?

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Quiz

In the future collision, what is the predicted fate of our Sun?

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Quiz

What is the most common nickname for the future merged Milky Way-Andromeda galaxy?

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Quiz

Why will the night sky of Milkomeda eventually look duller and redder?

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Quiz

How will the visual appearance of the Milky Way band change in our night sky during the merger?

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Quiz

What is the scientific term for a galaxy that has stopped forming new stars?

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