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    • Diagram of a proton–proton chain reaction.
    Rights: Borb Creative Commons Attribution-ShareAlike 3.0 Unported Published 29 April 2014 Size: 65 KB Referencing Hub media

    A proton–proton chain reaction is one of the ways by which stars fuse hydrogen into helium. It is the reaction that dominates in stars the size of the Sun.

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      Plasmas and nuclear fusion

      Fusion is the process occurring within the plasma core of our Sun in which the nuclei of lighter atoms link to form a heavier atom. For example, when hydrogen nuclei collide, they can fuse into ...

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