Neither. A white dwarf is composed of matter in an entirely different state called electron degenerate matter.
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.
A white dwarf is what remains of a star's interior, which is much hotter than the surface because it is closer to the source of fusion.
Yes dwarf has higher temperature
even though a white dwarf may burn hot, it's size is what limits it's luminosity. Here is one way to look at it: Imagine a white dwarf with the mass of our sun. Our sun's surface temp is right around 5,770K and weighs one solar mass. Now, this imaginary white dwarf would be about the size of the earth and have a surface temp of around 10,000K - 11,000K. This white dwarf would have a surface area 1/333,000 of the sun. A white dwarf of this size is about average and as you can imagine, has very little room to put out energy compared to other solar masses.
Yes dwarf has higher temperature
Luminosity will also depend on the surface area. The Sun has about 10,000 times the surface area of a typical white dwarf.
I assume you mean a DWARF STAR. There are different types of dwarf stars; the white dwarfs are fairly hot - but the reason they are dim is that they have a very small surface area.
A white dwarf.A white dwarf.A white dwarf.A white dwarf.
Answer #1: bright===================Answer #2: They're faint.Another answer: They are indeed very faint.They can have high surface temperatures, but they have very small surface areas.No white dwarf star is visible from Earth with the "naked eye".
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.
The term "white dwarf" was coined by astronomer Willem Luyten in the 1920s to describe the fainter, cooler remnants of Sun-like stars. The word "white" refers to its color, which appears white due to its low surface temperature, while "dwarf" denotes its small size compared to other types of stars.
No in the life cycle of a star, a white dwarf can cool and become a black dwarf