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 | How does nuclear fusion turn mass into energy? | |
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| It gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. | |
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| What are the inputs and outputs of nuclear fusion in the sun? | |
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| The Sun is a main-sequence star, and thus generates its energy by nuclear fusion of hydrogen nuclei into helium. | |
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| How does the energy created by nuclear fusion travel through the sun? | |
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| converts hydrogen atoms into helium. | |
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