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It turns into a white dwarf star, a neutron star or a black hole.
when they run out of fuel they become neutron star.When they do have fuel it is called super nova.
Red giant stars.
A star that has undergone expansion, deflation and cooling is known as a white dwarf, or degenerate dwarf. It is a small star made up of mainly electron-degenerate matter.…
The general category is known as a dead star. There are three kinds of dead stars: 1. a white dwarf, which oddly enough by its description does not seem to be a …dead star - "a dim very hot star" 2. a neutron star (viewed as a typical pulsar close to a normal star, but emitting x-rays); or 3. A black hole. The smallest and least dense stars become white dwarfs and the biggest, densest stars become black holes.
Those are dwarf stars, which start out as white dwarfs and as they (very slowly) cool, become red dwarfs and eventually brown dwarfs.
If a star the size of the sun expands to form a gaint 20 times larger in radius by what factor will its average density decrease?
20 3 = 8000.. \n
Yes, stars run out of fuel eventually. When stars are formed, their core is mostly made of compressed hydrogen and helium, which the star will use to supply its energy during …its lifetime. When the core eventually becomes smaller and smaller due to the lack of hydrogen/helium, the star has no more fuel, and dies. Stars die, they are living things, just like any one of us. Depending on the size of the star, there are different kinds of ways stars can die. If they are small or regular size stars, they will most likely expand slightly and the shrink into a white dwarf star, in which form it will spend the rest of its days, until it completely uses up its fuel supply and dies off slowly. But for large stars or superstars, there is a much more dramatic death, called a supernova. When the large star or superstar is almost completely drained of fuel, it releases an intense amount of energy which results in a huge, dramatic explosion that we call supernova. After the supernova, the stars shrivel out. Occasionally, superstars that orbit another star in the same system can collapse upon their sister star, becoming a black hole.
Stars expand in size to become red giants, when they start running low on Hydrogen fuel.
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What is an eight letter word that the definition is an old star of average size that has begun to expand and cool as its fuel has begun to run out?
A Red Giant
Yes, nothing has an indefinite amount of energy.