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Stars are formed as a result of a large cloud of gas and dust coming together to form a nebula. As additional particles combine with the nebula, it's gravitational force increases. This increase in gravitational force pulls the particles closer together, and as the particles are pulled closer together, the temperature inside the nebula increases. (It is known that the center of the earth is a hot matter, probably molten liquid. This is caused by the tremendous pressure and resulting heat in the center of the earth as well as the gravitational pull.) Stars are much larger than the earth so the gravity is significantly greater and more pressure is generated. This enormous pressure results in very high temperatures being generated. When the center of a nebula reaches a temperature of 10 million Kelvin (10,000,000K), fusion begins. The fusion reaction releases energy and a star is born.

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Fusion reactions on the sun?

yes nuclear fusion does occur on the sun, creating intense heat and light


Where does most nuclear fusion occur in your solar system?

Sun


How is it that radioactive decay has always warmed the earth from the inside and nuclear fusion has always warmed the earth from the outside?

That's because of where each of these processes occur. There is no nuclear fusion inside of Earth. There is probably a small amount of radioactive decay in the Sun, but the power produced by it is insignificant, compared to the huge amount of power produced by nuclear fusion.


Where in the universe does fusion occur naturally?

Nuclear fusion is the process that powers stars, such as our sun.


How does nuclear fusion occur in the sun's interior core?

High temp and pressure


It takes an extremely high temperature for nuclear to occur inside the sun?

Not nuclear, it takes an extremely hight temperature for Fusion to occur with in the sun or any other star. ADDED: Yes "nuclear". Fusion is one of the two type of nuclear reaction, the other being Fission.


Nuclear reaction taking place inside sun is called?

The nuclear reaction taking place inside the sun is called nuclear fusion. This is where hydrogen atoms combine to form helium, releasing a large amount of energy in the process.


Is the sun a nuclear fusion reactor?

Yes, the sun is a nuclear fusion reactor.


What causes energy to be released inside the sun?

Energy is released inside the sun through a process called nuclear fusion, where hydrogen atoms are fused together to form helium. This fusion process releases a tremendous amount of energy in the form of light and heat. The sun's immense gravitational pressure and temperature create the conditions necessary for nuclear fusion to occur.


What layer of the sun does nuclear fusion occur?

It has to be at hundreds of millions of degrees kelvin, before a fusion reaction between deuterium and tritium will start


Why only in the sun's core does nuclear fusion occur?

The rest of the sun is too cold and too low pressure.


How does nuclear fusion generate the suns energy?

Nuclear fusion in the sun occurs when hydrogen atoms combine to form helium atoms. This process releases large amounts of energy in the form of photons. The intense pressure and temperature in the sun's core create the conditions necessary for nuclear fusion to occur.