Click the green “forward” button to step through the animation. (Note: If you cannot see the animation above, or it is not working properly, you may need to download the latest Flash player.)
Release date
2007
Alt titles
Cálculo de la circunferencia de Eratóstenes
Source
https://www.windows2universe.org/the_universe/uts/eratosthenes_calc_earth_size.html
Eratosthenes’ Calculation of Earth’s Circumference screenshots
