シュトルーヴェの測地弧
1. Struve Geodetic ArcThe Struve Geodetic Arc is a chain of survey triangulations stretching from Hammerfest in Norway to the Black Sea, through ten countries and over 2,820 km, which yielded the first accurate measurement of a meridian. The chain was established and used by the German-born Russian scientist Friedrich Georg Wilhelm von Struve in the years 1816 to 1855 to establish the exact size and shape of the earth.
Read “Struve Geodetic Arc” on English Wikipedia
Read “シュトルーヴェの測地弧” on Japanese Wikipedia
Read “Struve Geodetic Arc” on DBpedia
Read “Struve Geodetic Arc” on English Wikipedia
Read “シュトルーヴェの測地弧” on Japanese Wikipedia
Read “Struve Geodetic Arc” on DBpedia
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