A white dwarf is a hot, dead, and dense star. This is the last stage in a star’s life before the black dwarf phase. The white light from the dead star comes from the thermal energy it emits.
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WHITE DWARF A white dwarf is a hot, dead, and dense star. This is the last stage in a star’s life before the black dwarf phase. The white light from the dead star comes from the thermal energy it emits.