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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.
What else can I help you with?
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 color do elliptical galaxies tend to be and why?
Elliptical galaxies tend to be reddish in color because they are made up of older stars that emit more red light. These galaxies have used up most of their gas and dust, resulting in a lack of ongoing star formation. This makes their overall color appear reddish compared to younger, bluer galaxies.
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.
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.
Is the sun the first star made?
No, the sun is not the first star made. The sun is a relatively young star in the universe, formed billions of years after the first stars. The first stars in the universe were primarily made of hydrogen and helium.
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.
In what ways are neutron stars and white dwarfs similar?
Neutron stars and white dwarfs are both remnants of dead stars, but neutron stars are much denser and have stronger gravitational forces compared to white dwarfs. Both objects are composed mostly of degenerate matter, but neutron stars are made up of neutrons while white dwarfs are made up of electrons.
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.
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.
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.
