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What is the matter contained in a white dwarf?
A white dwarf consists of the core of the large star it once was.
When the sun becomes a white dwarf how long would it take before Venus and mercury turned into icy and cold planets?
before the sun turns into a white dwarf it will expand, and expand, and expand and while its expanding it will suck in all/ most of the planets the ones that don't get sucked in will become really hot because once the suns done expanding after a while it will explode and the explosion will go VERY far.
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.
Why is a star called dead when it becomes a white dwarf?
A star is an active entity. It is consuming hydrogen in nuclear reactions causing it to emit heat, light and other electromagnetic radiation. Depending on the star, when it uses up all its hydrogen during its active life it shrinks into a small thing called a white dwarf. It is white because it is glowing from the heat of the sun it once was, but it is no longer a star. The star it once was had died.
Why is a star white?
stars are not always white there are many different types of star for example: Black Dwarf Red Giant White Dwarf Blue Giant Neutron they are all varying colors because of the configurations of gas and energy of particals. however 97% of our galaxy's stars are the fabled white dwarf these are white because they are expelling there entire energy at once, the white dwarf is the final stage of a stars life, aside from the purely theoretical black dwarf
Which dwarf did not get kissed?
Every dwarfgot kissed once except Dopey who got kissed two times
What causes stars to change during the white and black dwarf phases?
A white dwarf no longer produces energy through fusion but remains hot from the residual heat of the star it once was. It will radiate that energy away and slowly cool as a result, eventually becoming a black dwarf.
A small dense star that forms at the end of a medium stars life cycle is?
Once a medium sized star has consumed all it's fuel it becomes a White Dwarf star (just the extremely dense core of the original star remains composed mainly of carbon). A White Dwarf star will, however, eventually lose it's heat to become a Black Dwarf.
Is a white dwarf star is one that does not have fuel to make is own energy?
That's called a "black dwarf". Such objects are hypothetical; they are not expected to exist yet, since it takes a white dwarf longer, to cool down to a black dwarf, than the current age of the Universe.
What is a white and red dwarf star?
A White Dwarf star starts as a small to intermediate size star, like our Sun is currently. That eventually becomes a red giant star. Eventually that blows off everything but the hot very dense core of "electron degenerate matter". What is left is a hot ball of mainly carbon and oxygen that will eventually cool and dim and turn into a black dwarf star. A white dwarf has a second chance of life and death in a close binary star system, where the white dwarf draws mass from the companion star. Once the mass of the white dwarf reaches the Chandrasekhar limit of approximately 1.38 solar masses or roughly 140% of the mass of our Sun, the core can no longer hold the gravitational pressure and a Type 1a Supernova may occur. A Red Dwarf star is a " Main Sequence " star, but with very low mass and luminosity. You need a telescope to see one. However, they make up about 80% of all stars and they have very long lifetimes.
When quick lime and magnesium touch does the mixture explode?
Yes, once the components mix they will explode!
What do creepers do in Minecraft?
They explode once they sees you.
