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Earth size determination / History
Test your knowledge - what you already know about the Struve Geodetic Arc!
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What is average Earth's radius? *
1 分
In what age were known the first attempts to survey geodetic arcs? *
1 分
How did ancient Greeks determine long distances along the Earth’s meridian? *
1 分
What is nationality of F. G. V. Struve? *
1 分
Which is mathematic shape closest to Earth's shape? *
1 分
How Erathostenes determined the difference in latitudes by performing meridien length calculations? *
1 分
What is nationality of C. F. Tener? *
1 分
Which Earth arc measurements are the longest? *
1 分
Which ancient Greece scientist first determined the length of 1 degree of Earth and calculated Earth's radius? *
1 分
What deviation from Erathostenes in ancient Greece calculated Earth radius compared to known now? *
1 分
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