Eratisthenes 276 BC - 194 BC (23 mars 194 – 23 mars 276)
Description:
They Calculated The Circumference of the earth and distance to the moon as well as the sun, the tilt of the earth axis and they also compiled a star catalog of 675 stars around us.They also invented longitude and latitude
(https://en.wikipedia.org/wiki/Eratosthenes)
Ajouté au bande de temps:
Date:
23 mars 194
23 mars 276
~ 82 years