Mseto wa Umri

Mawazo Makuu ya Sayansi

Lugha

Muda wa Wastani wa Kusoma

Hufanya kazi nje ya Mtandao

No

Maelezo

Igbo Kigiriki, Eratosthenes (276 BC - 194 KK) kutumika kama majaribio ili kuwezesha kwake kuthibitisha sphericity wa dunia na kupima Mzingo wake. Alitumia jua na vivuli kwa ajili ya mahesabu yake! Hebu angalia yale yeye amefanya.

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