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9 abr 1000 ano - Al-Biruni
Descrição:
Developed triangulation (measuring distance using geometry). He also calculated the radius of the earth with an error of less than 1 percent.
Adicionado na linha do tempo:
Cartography through Time
By
Abram
5 nov 2017
0
0
368
Data:
9 abr 1000 ano
Agora
~ 1024 years ago
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