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Nucleosynthesis is the process that creates new atomic nuclei from nucleons (protonsand neutrons) and nuclei. According to current theories, the first nuclei were formed a fewminutes after the through nuclear reactions in a process called Big{{nbsp}}Bang nucleosynthesis. After about 20minutes, the universe had expanded and cooled to a point at which these collisions among nucleons ended, so only the fastest and simplest

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