The cosmic roadmap
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The physics of a smash-up
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The birth of Milkomeda
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Collisions across the cosmic web
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YOUR GOAL
Master of When galaxies collide
artiteacher Andromeda Milky Way Collision
Andromeda's heading here! (Oh-oh, Milkomeda!) In billions of years, a new galaxy will appear!
Dark matter dominance: Dark matter makes up about 85% of all matter in the universe, driving the gravity of galactic collisions.
The large-scale structure of the universe, consisting of interconnected filaments of gas and dark matter. The Milky Way and Andromeda travel along these filaments toward a massive merger in four billion years.
What invisible substance makes up most of the matter guiding galactic collisions?
What is the astronomical term for a large galaxy absorbing a much smaller satellite galaxy?
What is the name of the supercluster of galaxies that contains our Local Group?
Why doesn't the expansion of the universe pull Andromeda and the Milky Way apart?
What is the name of the enormous cosmic structure of gas and dark matter that connects all galaxies?
Which famous pair of colliding galaxies serves as a real-time preview of our future?