Secrets of Size: Atoms to Supergalaxies - Going Big

This documentary, guided by physicist Jim al-Khalili, journeys across the immense scales of the universe from galaxy superclusters to vast cosmic voids. It reveals the giant structures stretching across billions of light-years and how gravity shapes them. Along the way it makes the sheer size of the cosmos vivid and comprehensible. Awe-inspiring and clearly explained, it turns the biggest objects in existence into an engaging tour of the heavens. Free to watch in HD on Dr Documentary.

Courtesy of Documentary on YouTube. Watch on YouTube ↗

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