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What is nuclear fusion in the Sun?

Updated: 8/17/2019
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12y ago

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This is the fusing of hydrogen atoms to form helium atoms, and in some cases heavier elements as well.

The dominant reaction in our Sun is the combining of hydrogen isotope atoms to form helium atoms. Deuterium atoms, which are hydrogen atoms which have a neutron, are forced together to form a helium atom, which is two protons and two neutrons, and some energy is produced. The Sun is slowing using up its supply of hydrogen, but there is enough to last for at least another two or three billion years.

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12y ago
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Q: What is nuclear fusion in the Sun?
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