From the Wikipedia article: "Most observed white dwarfs have relatively high surface temperatures, between 8,000 K and 40,000 K"
White dwarf
A cooled white dwarf is a black dwarf. I think you are thinking of a neutron star which has nothing to do with a white dwarf.
A white dwarf could not become a red dwarf. A white dwarf is a remnant of a dead star. A red dwarf is a star with a very low mass.
When a white dwarf star no longer emits energy, it becomes a black dwarf. Black dwarfs are theoretical end points of stellar evolution where all nuclear reactions have ceased, and the star has cooled down to the background temperature of the universe.
No. A white dwarf is the remnant of a low to medium mass star.
A white dwarf star's temperature can range from approximately 7000K to 19000K.
the temperature of..an white dwarf star is 10,000
No, the surface temperature of Betelgeuse is colder than the temperature of a white dwarf, the white dwarf is the hot core of a dead star. Also, red stars are always colder than white stars.
The average star will become a white dwarf at the end of its life.
No. A dwarf star is a small star. A white dwarf is just one particular type of dwarf star, but there are other types.
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No a white dwarf is a small compact star.
White dwarf