Neutron stars: a sun's mass in a 12-mile sphere
Neutron stars pack the Sun's mass into a 12-mile sphere, creating objects so dense a teaspoon weighs billions of tons, pushing the limits of physics.
Imagine squeezing our Sun's entire mass into a ball just 12 miles wide – that's a neutron star! These incredibly dense objects form from the collapsed cores of massive stars after supernova explosions. A single teaspoon of neutron star material would weigh about 6 billion tons, as much as Mount Everest.
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