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The luminosity of a white dwarf depends entirely on it's age. The older it is, the less luminous it is.
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∙ 12y ago
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How do you define a white dwarf?
A white dwarf is a small luminous sphere about the size of the earth which is the final stage after the death of a star about the mass of the Sun.
Is rigel a white dwarf?
Far from it. Rigel is a type B star which means it is very luminous whereas white dwarfs are the remains of stars that have ended their lives.
Will the sun be a white dwarf for the rest of eternity?
No. After the sun becomes a white dwarf it will eventually cool to become a black dwarf.
Which is the correct order - white dwarf or red?
It is called white dwarf. A white dwarf is a small star. If you heard of red giant it mean huge star.
Is a white dwarf smaller than a red dwarf?
Yes, far smaller. A red dwarf is a whole star in and of itself. A white dwarf is the collapsed remnant of the core of a low-to medium mass star. A white dwarf may be about the size of Earth.
Is the white dwarf star luminous?
White dwarf stars are not luminous because of their small sizes, they are not able to radiate a lot of light at once.
How do you define a white dwarf?
A white dwarf is a small luminous sphere about the size of the earth which is the final stage after the death of a star about the mass of the Sun.
When is the best time to spot a white dwarf?
Right after the red giant has thrown off it's outer envelope, revealing a hot and very luminous white dwarf.
Is rigel a white dwarf?
Far from it. Rigel is a type B star which means it is very luminous whereas white dwarfs are the remains of stars that have ended their lives.
What type of stars has a low temperature and high luminosity?
A white dwarf.A white dwarf.A white dwarf.A white dwarf.
Why would a white dwarf become a red 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.
What is the least luminous spectral class?
Spectral class Y, which is typical of "brown dwarf" stars.
Are white dwarf stars always white?
No in the life cycle of a star, a white dwarf can cool and become a black dwarf
What is a cooled white dwarf star that is extremely dense?
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.
Is Pluto a white dwarf star?
Pluto is not a white dwarf star, it is just a dwarf planet.
What comes before white dwarf and after white dwarf?
Red giant - Black dwarf. See related questions.
Is the white dwarf the biggest star?
No a white dwarf is a small compact star.
