He knew that a stick stuck in the ground in Alexandria at the same time and the same day, at noon, the sun's zenith, on the solstice, the sun cast a shadow that showed that it was 7.2 degrees off-axis.
u isto vrijeme i istog dana, u podne, u sunčev zenit, na solsticij, sunce bi bacalo sjenu koja je pokazivala da je 7,2 stupnja izvan osi.