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Astronomical chronology

Astronomical chronology

Method of determining the age of events or artifacts

en-US/ˌæstɹəˈnɑmɪkəl kɹəˈnɑləd͡ʒi/

en-GB/ˌæstɹəˈnɒmɪkl kɹəˈnɒləd͡ʒɪ/

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