What Is the Universe Expanding Into?

This documentary tackles a puzzle that stretches the mind: if the universe is expanding, what is it expanding into? It explores the physics of cosmic expansion, space itself, and the counterintuitive answers modern cosmology offers. Clear narration and animation make the abstract concepts easier to picture. It is a fascinating watch for anyone interested in cosmology, the universe, and the strange nature of expanding space. Free to watch in HD on Dr Documentary.

Courtesy of Documentary on YouTube. Watch on YouTube ↗

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