Neutron Stars Are So Dense a Teaspoon Would Weigh 6 Billion Tons
A tiny glowing sphere the size of a city hovering above Earth with a mountain balanced on a scale against a teaspoon of neutron star material
When massive stars collapse, protons and electrons are crushed together into neutrons, creating matter so dense that a sugar-cube-sized piece would weigh about 6 billion tons — roughly the weight of Mount Everest.
Why It’s Interesting
Neutron stars rotate up to 716 times per second and have magnetic fields a trillion times stronger than Earth's. They represent the absolute limit of matter before it collapses into a black hole — the universe's last stand before the point of no return.
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