30
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
3599705
328155
2

1 janv. 150 - Ptolemy discovers the ptolemaic system

Description:

The exact date of this event is unknown but he discovered it sometime during the 2nd century. it is a geocentric cosmology and assumes that the earth is the center of the universe.

Ajouté au bande de temps:

11 déc. 2019
1
0
220

Date:

1 janv. 150
Maintenaint
~ Il y a 1875 ans