Historic Vids Carl Sagan explains how Greek polymath Eratosthenes calculated the circumference of earth around 2000 years ago.
Eratosthenes Deneyi ile 21 Mart İlkbahar Ekinoksunda Dünyanın Çevresini Ölçtük.
İstanbul İl Millî Eğitim Müdürlüğü nihal firat ozdemir
There's more wrong with Eratosthenes experiment than I can fit in this post.
The earth is flat.
The earth is stationary.
We do not experience parallel sun rays.
#flatearth #eratosthenes
Historic Vids Carl Sagan explains how Greek polymath Eratosthenes calculated the circumference of earth around 2000 years ago.
#Moon der Goldene Henkel kommt! Hoffentlich kommen keine Wolken! #Copernicus fiel mir heute auf und #Eratosthenes mit signifikanten Elementen!😎#MoonHour™️Social