Universe
When we talk about "rotation," we usually picture something familiar—a spinning top, the Earth turning on its axis, or even a galaxy slowly swirling through space. Rotation is everywhere in the universe. Planets rotate. Stars rotate. Galaxies rotate. Even galaxy clusters can show signs of angular motion. So it's natural to ask: what about the universe itself? Could everything—every galaxy, every cluster, all of space—be rotating together?
200 episodes
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