Tag: universe age
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Do the Cores of Dead Stars Last Forever? White Dwarfs, Cooling, and the Fate of Stellar Remnants
Introduction: What happens when stars die? When a sunlike star exhausts its nuclear fuel, it sheds its outer layers and leaves behind a dense core. This remnant is a white dwarf, a compact stellar core supported by electron degeneracy pressure rather than ongoing fusion. Far from a dramatic goodbye, these remnants are quiet, enduring objects…
