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| physical phenomena > process > physical process > nuclear process > fusion > nucleosynthesis > primordial nucleosynthesis | 
| primordial nucleosynthesis comparison table | |||
| Subject | has definition | has synonym | is a kind of | 
|---|---|---|---|
| nucleosynthesis | The production of heavy nuclei from the fusion of lighter ones. | fusion | |
| primordial nucleosynthesis | The process, which took place between one second and 3-4 minutes after the beginning, in which the protons and neutrons of the primordial soup condensed to form the lightest atomic nuclei: Deuterium, Helium-3, Helium-4, and Lithium-7. See isotope and Lithium. | big-bang nucleosynthesis | nucleosynthesis | 
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