Floating crystals in white dwarf stars' interiors may delay their cooling and "death" by billions of years.

Astronomers find that floating crystals within white dwarf stars' interiors may slow down their cooling process, potentially delaying the "death" of these stars by billions of years. The crystals, made of carbon, oxygen, and other elements, become less dense and float, reshuffling chemical layers and releasing gravitational energy. This phenomenon has implications for understanding the ages of stars and the history of galaxies.

March 18, 2024
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