Inside dead stars, atomic nuclei stick together into pasta-like strands and sheets. This "pasta" makes the crust billions of times stronger than steel and is responsible for the star's trembling. Possibly, the pulsations of such stars could be used to test theories of nuclear forces.
🎯 "Nuclear pasta" isn't a figure of speech—it's a precise term. The layers really do resemble spaghetti, lasagna, and gnocchi. But they're so strong that a strand as thin as a human hair could support the weight of a metropolis.