Planets, stars, galaxies, clusters, everything in the universe is spinning/rotating. Why?
In: Physics
Conservation of angular momentum. In a dust and hydrogen cloud all the particles are moving in basically every direction. But they don’t perfectly cancel each other out, and as gravity pulls the cloud together until (if there’s enough mass) a star forms, the imbalance in directions all those particles and molecules are moving form the spin. Repeat for everything at every scale
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