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[Brilliant Blog] Calculating the Size of the Earth: the Ancient Geometric Method

Main post link -> http://blog.brilliant.org/2013/01/06/calculating-the-size-of-the-earth-the-ancient-geometric-method/

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Feel free to share your thoughts on the Ancient Greek method of deriving an arc of the Earth's circumference from from the Sun's shadows.

Note by Peter Taylor
4 years, 7 months ago

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