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A brown dwarf is an object that is not massive enough to be a star, yet it is more massive than planets. Basically it doesn't get hot enough for normal nuclear fusion (to convert hydrogen-1 into helium), but it can get hot enough to fuse deuterium (hydrogen-2) into heavier elements.
Comments: I agree, except that I don't think brown dwarfs can fuse deuterium either.
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∙ 10y ago
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∙ 15y agoMainly Hydrogen.
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What is the most common star stuff?
M class stars are the most common and account for around 76.5% of all stars that are on main sequence.. They are normally red dwarfs, but can include red giants and red super-giants like Betelgeuse and Antares.
What is the cloud of material stars are made of called?
The gases and dust from which stars condense are called cosmic dust or particles.
What is brown bread made of?
Brown bread is made of brown dye or wheat.
Are plantes and stars the samething?
They are completely different stars are made of hydrogen and helium while planets are made of various elements
Are larger solar systems made of gas and dust?
No. They are made mainly of stars and planets. The stars and planets came from gas and dust.
Are giant dwarfs made up of young or old stars?
Giant Dwarves are old stars.
What was the Seven Dwarfs house called?
The Dwarfs house is called the Dwarfs small cottage. In Disney's Snow White. There was no name in that cottage. But one author made a name of it 2 years after Disney made the cartoon version. The author named it Dwarfs small cottage because the Dwarfs were in a small cottage in the forest.
In Star Trek Voyager What do they call the material that white dwarfs aka Dead Stars are made of?
Pulsars?
What is made when stars die?
There are three types of stellar remnants. Low to medium mass stars will become white dwarfs. High mass stars will become neutron stars. Very high mass stars will become black holes.
What was the first Disney movie called?
Snow White and the Seven Dwarfs was the first disney movie. In the year 1937.
Which fairy-tale character made friends with Seven Dwarfs?
Snow White made friends with the Seven Dwarfs in the fairy tale "Snow White and the Seven Dwarfs."
Will a sequel to Snow White and the Seven Dwarfs be made?
Yes, Dopey forgot his condom, so it will be called 'Son of Snowy'
Who made the film called Snow White and the seven dwarves?
Disney's Snow White and the Seven Dwarfs was made at the Walt Disney Studios in Burbank, California.
Who made the dwarfs in Norse mythology?
the germans
What is a star that has collasped after using all of its fuel called?
It depends upon the size of the star. Stars like the sun, when they collapse, become white dwarfs which are made up of pure carbon (you can call it a diamond in space). Stars a lot bigger and heavier than the sun, collapse and become a neutron star, or a pulsar (rotating neutron star), or a black hole.
What is the most common star stuff?
M class stars are the most common and account for around 76.5% of all stars that are on main sequence.. They are normally red dwarfs, but can include red giants and red super-giants like Betelgeuse and Antares.
What mades up stars?
2 gases called hydrogen and helium are ones that stars mostly made of.
