Astrolabe (1 janv. 200 av. J.-C. – 1 janv. 200 av. J.-C.)
Description:
The astrolabe, was historically used by astronomers and navigators to measure the altitude above the horizon of a celestial body, day or night.Ajouté au bande de temps:
Date:
1 janv. 200 av. J.-C.
1 janv. 200 av. J.-C.
~ 0 min