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White dwarf - Wikipedia


... helium white dwarf composed chiefly of helium-4 nuclei. Due to the very long time this process takes, it is not thought ...

White Dwarfs - Introduction - Imagine the Universe! - NASA


Where a star ends up at the end of its life depends on the mass it was born with. ... A typical white dwarf is about as massive as the Sun, yet only slightly bigger ...

White Dwarfs - NMSU Astronomy


White dwarfs are the burned-out cores of collapsed stars that, like dying embers, ... It is much hotter (25,000 K), but because of its small size its luminosity is low.

White Dwarf Research Corporation - Education - Ask an Astronomer ...


A white dwarf is a type of star that contains about as much matter as the Sun, but packed into a size comparable to the Earth. The majority of white dwarfs are ...

Five amazing facts about white dwarfs | - About Space


Jan 22, 2015 ... They can go supernova. Because many stars orbit others in relatively close proximity, a white dwarf in a binary system can begin to cannibalise ...

White Dwarf Stars - Universe Today


Dec 24, 2015 ... White dwarf stars are the corpses of stars; what happens once ... If a star is large enough, it will even be able to begin helium burning in its core ...

White Dwarfs: Compact Corpses of Stars - Space.com


Nov 26, 2013 ... Most stars in the universe will eventually burn off all of their hydrogen and become dead husks called white dwarfs.

BBC - Universe - White dwarfs (pictures, video, facts & news)


Image: Z Camelopardalis, a binary star system with a white dwarf and its companion ... The universe has not existed long enough to experience a white dwarf ...

What is a white dwarf star? | Reference.com


A white dwarf star is the final evolutionary phase of a star, occurring after low- and ... A: Main sequence stars are stars in the phase where they are fusing ...

Stellar Evolution: White Dwarfs


White dwarf stars are much smaller than normal stars, such that a white dwarf of the mass of the ... The size of a star is a balance between pressure and gravity.

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White Dwarfs - Imagine the Universe! - NASA


A white dwarf is what stars like the Sun become after they have exhausted their ... A typical white dwarf is half as massive as the Sun, yet only slightly bigger than ...

White Dwarfs, White Dwarf Stars Information, Facts, News, Photos ...


When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically become white dwarfs.

White Dwarf | COSMOS


Sirius B was the first white dwarf discovered in 1862. The bright ... White dwarf stars are extreme objects that are roughly the same size as the Earth. They have  ...