3 ms·
Somewhat surprised the answer isn’t based on the angle to the North Star - that’s my preferred approach and it seems less explainable by a flat earth model unde
by zeroimpl 3y ago
Somewhat surprised the answer isn’t based on the angle to the North Star - that’s my preferred approach and it seems less explainable by a flat earth model under assumption the stars are further than the sun
- ahazred8ta 3y agoOne calculation (75 BC) used the angle of Canopus, which was conveniently near the horizon. https://en.wikipedia.org/wiki/Posidonius#Calculation_of_Earth's_circumference https://en.wikipedia.org/wiki/Posidonius#Calculation_of_Eart...