Galaxies collide slowly, not violently

Space
Galaxies collide slowly, not violently

Galaxies don't crash; they slowly merge over billions of years, a gravitational dance that sculpts the universe and fuels new star formation.

Forget explosive crashes! Galaxies merge gradually over billions of years, a cosmic dance driven by gravity. Our Milky Way and Andromeda are on a collision course, set to begin in about 4.5 billion years. This slow-motion event will gently reshape them into a new, elliptical supergalaxy.

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