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Is our sun a white dwarf?

No
the Sun

the Sun

the Sun
the Sun (the celestial body, Latin: Sol)
wikipedia
white dwarf

white dwarf

white dwarf
white dwarf, also called a degenerate dwarf, a small star composed mostly of electron-degenerate matter
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Is The Sun, the star responsible for the formation of the Solar System a white dwarf, also called a degenerate dwarf, a small star composed mostly of electron-degenerate matter?
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no, it isn't. a star becomes a white dwarf when it runs out of energy and collapses, thus not giving off any more heat.
This answer was supplied by one of our users. View details.
Posted at 1:52 on March 25, 2010.
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External web pages (using standard web search):

White Dwarfs - Introduction
Planetary nebulae seem to mark the transition of a medium mass star from red giant to white dwarf. Stars that are comparable in mass to our Sun will become white dwarfs within ...
http://imagine.gsfc.nasa.gov/docs/science/know_l1/dwarfs.html
White Dwarfs
An Artist's conception of the evolution of our Sun (left) through the red giant stage (center) and onto a white dwarf (right).
http://imagine.gsfc.nasa.gov/docs/science/know_l2/dwarfs.html
White dwarf - Wikipedia, the free encyclopedia
A white dwarf, also called a degenerate ... that lead to an advance in our knowledge", and so the white dwarfs ... to under 1/10,000th that of the Sun's. Hot white dwarfs, with ...
http://en.wikipedia.org/wiki/White_dwarf
The Sun as a White Dwarf Star
... dwarf, they [Koester & Wilken] estimate a total mass of 0.55 solar masses–about what people believe the mass that our own sun will have remaining when it becomes a white dwarf ...
http://www.universetoday.com/25669/the-sun-as-a-white-dwarf-star/
Sun - Wikipedia, the free encyclopedia
... ejected is the extremely hot stellar core, which will slowly cool and fade as a white dwarf ... in the universe had been synthesized by nuclear reactions inside stars, some like our Sun.
http://en.wikipedia.org/wiki/Sun

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