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Astronomy

The Physics of White Dwarf Cooling and Crystallization

Quick fact

The center of a white dwarf can crystallize into a solid lattice of carbon and oxygen, resembling a gigantic diamond in space.

Why this is interesting

Every star like our Sun will one day become a tiny, glowing cinder the size of Earth—but that cinder will crystallize into a giant diamond over billions of years. How does a star turn into a cosmic gem?