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单词 Radiation era
释义

Radiation era

英语百科

Radiation-dominated era

Full-sky image derived from nine years' WMAP data

In physical cosmology, the radiation-dominated era was the first of the three phases of the known universe (after Inflation), the other two being the matter-dominated era and the dark-energy-dominated era. During this era, the dynamics of the universe were set by radiation, which refers generally to the constituents of the universe which moved relativistically, principally photons and neutrinos.

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更新时间:2025/6/18 14:48:32