Uploaded August 2026 | Updated September 2026, 2 weeks ago

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How can something the size of a city contain roughly the mass of the Sun?

Neutron stars push matter to extremes that are almost impossible to imagine. Their density is so enormous that even a tiny amount would have a staggering mass.

Perfect for anyone fascinated by supernovas, extreme gravity, stellar evolution, and the strange physics that takes over when a massive star collapses.