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The abundances of light element nuclei during Big Bang nucleosynthesis, as a function of time since the Big Bang in seconds (lower axis) or the Standard Model plasma temperature in MeV.[10] The y-axis shows the abundance as a number density of each individual species divided by the number density of baryons.

ビッグバン元素合成宇宙最初期の20分間で起きたこと

ビッグバン元素合成BBN原始核合成軽元素
2026年8月10日続きを読む →