最終更新日:2022/12/24
Isotopic dating of meteorites using the rubidium-strontium system and others indicates that the most primitive rocks in the solar system are 4.56 billion years old, determined rather precisely.
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Isotopic dating of meteorites using the rubidium-strontium system and others indicates that the most primitive rocks in the solar system are 4.56 billion years old, determined rather precisely.