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9 Apr 1000 Jahr - Al-Biruni

Beschreibung:

Developed triangulation (measuring distance using geometry). He also calculated the radius of the earth with an error of less than 1 percent.

Zugefügt zum Band der Zeit:

Cartography through Time

ByAbram
5 Nov 2017
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Datum:

9 Apr 1000 Jahr
Jetzt
~ 1024 years ago
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