てんもんたんい
天文単位
1. astronomical unit; AUAstronomy
2. Astronomical unitAn astronomical unit (abbreviated as AU, au, a.u. , or ua) is a unit of length equal to 149,597,870.700 kilometres (92,955,807.2730 mi) or approximately the mean Earth–Sun distance. The symbol ua is recommended by the International Bureau of Weights and Measures, and the international standard ISO 80000, while au is recommended by the International Astronomical Union, and is more common in Anglosphere countries.
Read “Astronomical unit” on English Wikipedia
Read “天文単位” on Japanese Wikipedia
Read “Astronomical unit” on DBpedia
Read “Astronomical unit” on English Wikipedia
Read “天文単位” on Japanese Wikipedia
Read “Astronomical unit” on DBpedia
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