26 giug 270 anni a. C. - Many astronomers built on the work of Aristarchus, a Greek astronomer. Aristarchus was the first person to present the first known model that placed the Sun at the center of the known universe with the Earth revolving around it.
Aggiunto al nastro di tempo:
Data:
26 giug 270 anni a. C.
Adesso
~ 2296 years ago
