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The distinguishing feature is that a brown dwarf gets hot enough to fuse deuterium (hydrogen-2), but not hot enough to fuse hydrogen-1.

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9y ago

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Will the sun become a brown dwarf?

No. A brown dwarf is a failed star, one that is not massive enough to start nuclear fusion. The sun is well above the threshold of fusion. When it dies it will become a white dwarf.


Is a brown dwarf bigger than the sun?

No Brown Dwarfs are too small to be considerred a star.


What star is smaller than the sun?

A brown dwarf would qualify.


How does the the mass and size of a white dwarf compare with the mass and size of the sun?

A white dwarf, also called a degenerate dwarf, is a small star composed mostly of electron-degenerate matter. They are very dense; a white dwarf's mass is comparable to that of the Sun and its volume is comparable to that of the Earth.


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How much bigger is the sun than the smallest star?

The mass of a red dwarf can go down to about 0.075 times the mass of the Sun. Anything smaller than that would be a brown dwarf, which is no longer considered a star.


What is a possible outcome for a protostar that does no have enough material?

A brown dwarf.A brown dwarf.A brown dwarf.A brown dwarf.


Could anyone please give me some basic information on the white dwarf and brown dwarf?

They are opposites a white is very dense like the Sun & brown insufficiently dense to form a reaction. Details both too lengthy to post here so search brown dwarf wikipedia & do the same with white & you will be bombarded with info.


Is a dwarf star bigger than your sun?

Depends what type of dwarf star. - Our Sun is a yellow dwarf.


How long will it take for a brown dwarf to become a black dwarf?

A brown dwarf will never become a black dwarf. A black dwarf is what becomes of a white dwarf. This process takes hundreds of trillions of years.


What is the diameter of a dwarf star?

Blue dwarf diameter(sun=1)=4 times the sun's Blue dwarf mass(sun=1)=10 times sun's


What is the diameter of a blue dwarf star?

Blue dwarf diameter(sun=1)=4 times the sun's Blue dwarf mass(sun=1)=10 times sun's