Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:nuclear_fusion_process
|
| gptkbp:alternativeTo |
gptkb:CNO_cycle
|
| gptkbp:discoveredBy |
gptkb:Hans_Bethe
|
| gptkbp:discoveredIn |
1939
|
| gptkbp:dominantInStarsWithMassLessThan |
1.3 solar masses
|
| gptkbp:energyReleasedPerCycle |
~26.7 MeV
|
| gptkbp:launched |
fusion of two protons
|
| gptkbp:mainEnergySourceFor |
Sun
main-sequence stars |
| gptkbp:netReaction |
4 protons → 1 helium-4 + 2 positrons + 2 neutrinos + energy
|
| gptkbp:occurredIn |
stars
|
| gptkbp:produces |
gptkb:neutrinos
gptkb:gamma_rays gptkb:helium-4 positrons |
| gptkbp:relatedTo |
astrophysics
nuclear physics |
| gptkbp:requiresTemperatureAbove |
4 million kelvin
|
| gptkbp:step |
gptkb:proton-proton_III_chain
gptkb:proton-proton_II_chain gptkb:proton-proton_I_chain |
| gptkbp:bfsParent |
gptkb:Proton
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Proton-proton chain
|