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The 27 pages that link to Proton–proton chain, each with the reason it gives.

• Nuclear fusionBroader topic: This is the Sun’s principal fusion pathway.

• ProtonRelated: Protons initiate the fusion reactions that power Sun-like stars.

• Stellar nucleosynthesisBroader topic: It supplies most of the Sun’s energy and begins the stellar fusion sequence.

• HydrogenBroader topic: This is the Sun’s main hydrogen-burning process.

• Weak interactionRelated: Its first reaction relies on a weak conversion that lets a proton become a neutron.

• Main sequenceRelated: It supplies most of the energy in the cores of lower-mass main-sequence stars.

• Solar neutrino problemRelated: It produces most solar energy and several of the neutrinos central to flux predictions.

• Hans BetheBroader topic: It is the dominant hydrogen-burning pathway in stars like the Sun.

• NucleosynthesisBroader topic: This is the main energy-producing fusion pathway in Sun-like stars.

• George GamowBroader topic: Gamow and Edward Teller studied this chain as a source of stellar energy.

• Helium-4Broader topic: Its net reaction turns four protons into a helium-4 nucleus.

• CNO cycleCompared with: It is the competing hydrogen-fusion process that dominates in the Sun.

• Helium-3Related: The chain creates helium-3 as an intermediate and can also produce it in stellar interiors.

• Red dwarfRelated: This reaction sequence supplies the energy radiated by red dwarfs.

• Solar neutrinoRelated: Its reactions produce most solar neutrinos, including the low-energy neutrinos from proton fusion.

• Charge conservationBroader topic: Its reaction steps conserve charge while transforming protons into neutrons and positrons.

• Coulomb barrierBroader topic: Its first reaction depends on proton tunneling through the Coulomb barrier.

• Solar luminosityBroader topic: This fusion chain is the Sun’s dominant energy source.

• StarBroader topic: This is the main hydrogen-fusion pathway in stars like the Sun.

• B2FH paperBroader topic: It explains hydrogen burning in stars like the Sun.

• Deuterium–tritium fusionCompared with: It powers Sun-like stars but proceeds far more slowly than engineered deuterium–tritium fusion.

• Helium burningCompared with: It contrasts with helium burning in both its hydrogen fuel and its fusion pathway.

• Homestake experimentRelated: Its reactions produce the solar neutrinos Homestake sought to measure.

• Stellar coreBroader topic: This is the Sun’s principal core hydrogen-fusion pathway.

• ProtiumRelated: Its initial fusion step involves hydrogen nuclei, chiefly protium in stellar matter.

• Solar coreBroader topic: This reaction sequence supplies nearly all the energy generated in the present-day Sun.

• Mark OliphantBroader topic: Oliphant and colleagues observed reactions involving deuterium and tritium, key steps in fusion research.