This still gives me chills.
Carl Sagan demonstrates how the Greeks figured out the Earth was round and correctly calculated its circumference — 2,000 years ago:
RT @aliamjadrizvi@twitter.com
This still gives me chills.
Carl Sagan demonstrates how the Greeks figured out the Earth was round and correctly calculated its circumference — 2,000 years ago:
🐦🔗: https://twitter.com/aliamjadrizvi/status/1174398818063933441