Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
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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 ...
Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
Add Yahoo as a preferred source to see more of our stories on Google. This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on ...
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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