aug 1, 250 BC - Aristarchus
Description:
Aristarchus, an ancient Greek astronomer and mathematician, estimated that the size of the sun is much more larger than the size of the Earth. He was also the first person to present a model that placed the sun at the center with the other planets revolving around it. Aristarchus was the first one to correctly present the heliocentric model.Added to timeline:
Date:
aug 1, 250 BC
Now
~ 2278 years ago