英语词汇“entropy per baryon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	entropy per baryon
释义	entropy per baryon entropy per baryon A cosmological parameter that measures the relative distribution of energy in disordered and ordered forms in the Universe. It is determined by the number of photons per baryon (proton or neutron) in the Universe today and has a value between 10⁹ and 10¹⁰ according to present observations. Big Bang theories must explain the value of this ratio.
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