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White dwarf - Wikipedia


... as a helium white dwarf composed chiefly of helium-4 nuclei. ... or mass loss due to a large planetary companion.

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.

Deep Space Five amazing facts about white dwarfs Meet the stars ...


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 | COSMOS

astronomy.swin.edu.au/cosmos/W/white dwarf

Sirius A (a normal star twice as massive as the Sun) is the faint source to the ... White dwarf stars are extreme objects that are roughly the same size as the Earth.

The Sun as a White Dwarf Star - Universe Today


Mar 19, 2009 ... Dusty debris around an old white dwarf star (NASA) ... What we are left with is an old Solar System, where little is left of the inner planets (it is ...

White Dwarf Stars - Universe Today


White dwarf stars are the corpses of stars; what happens once they've used up all ... If a star is large enough, it will even be able to begin helium burning in its ...

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 ...

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


Image: Z Camelopardalis, a binary star system with a white dwarf and its ... The length of time it takes for a white dwarf to reach this state is calculated to be ...

White dwarfs are the cores of dead stars | Space | EarthSky


Nov 11, 2012 ... White dwarfs are the hot, dense remnants of long dead stars. ... A single white dwarf contains roughly the mass of our sun in a volume no bigger ...

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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 ...


<p>Photos: White dwarf stars.</p> ... White dwarfs are stars that have burned up all of the hydrogen they once ... At this stage, the star becomes a large red giant.

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.