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9 avr. 1000 - Al-Biruni

Description:

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

Ajouté au bande de temps:

Cartography through Time

ByAbram
5 nov. 2017

Date:

9 avr. 1000
Maintenaint
~ Il y a 1024 ans
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