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单词 Hadean Time
释义 Ha·de·an Time AHD[hā-dēʹən, hāʹdē-] D.J.[heɪˈdiːən, ˈheɪdiː-]K.K.[heˈdiən, ˈhedi-]n.(名词)
  1. The geological time period during which Earth formed, from the start of the solar system (4.6 billion years ago) until accretion, impact, and local melting led to stable Earth-Moon orbits and the oldest Earth rocks (3.8 billion years ago). Also called Hadean Eon 地质时间表:地球形成的地质时间表,自太阳系的形成(四十六亿年前)开始至合生、撞击及地区性的融化形成稳定的地球月亮轨道及最古老的地球岩石(三十八亿年前) 也作 Hadean Eon
Etymology语源
  1. After Hades (from the intense heat during part of this period) After Hades (from the intense heat during part of this period)
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更新时间:2025/1/22 22:33:45