Enseignement scientifique Pc 1ère La Terre
Mesure du rayon de la Terre par Eratosthène X Réalisé© par A. Willm - www.ostralo.net - Mai 2019
Eratosthenes’ Calculation of Earth’s Circumference The first person to measure the size of the earth was Eratosthenes, an ancient Greek scientist, about 2,000 years ago. Eratosthenes lived in the city of Alexandria,… Read more
Parallel sunlight The radiant energy of the sun spreads in every direction. However, since the sun and the earth are far apart, we assume that they are usually almost parallel. Ancient Greece’s… Read more
3'16" chrono pour prouver que la Terre est plate… ou pas – Les Branquignoles de la Terre plate
