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What is the universe’s true size?
This video explains how scientists estimate the size of the observable universe, what “radius” means in cosmology, and why ...
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How big is the universe, really?
This video explains how scientists estimate the size of the observable universe and what we mean by its “radius,” using clear ...
Nash, L. (2026) On the Size of the Electron in a Quantum Universe. Journal of High Energy Physics, Gravitation and Cosmology, ...
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