What is a burnt-out star called?


Quick Answer

A burnt-out star is called a white dwarf. A white dwarf results after a star’s nuclear fuel burns out, which causes it to collapse or implode. While it has a mass similar to that of the sun, its radius is similar to that of the Earth.

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What is a burnt-out star called?
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Full Answer

Studies by astronomers at the University of California, Los Angeles and University of Kiel, Germany, led to the conclusion that the formation of a white dwarf takes billions of years and progresses through a "red giant" phase. Further degeneration of the red giant leads to the death of the star, transforming it into a white dwarf.

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