Students from all continents cooperate and collaborate to reproduce one of the science's 10 most beautiful experiments of all time: Eratosthenes' measurement of the Earth's circumference. Eratosthenes 2016 eTwinning project : https://twinspace.etwinning.net/16393/home Eratosthenes website : http://www.eratosthenes.eu In 205 B.C., the Greek astronomer Eratosthenes, at the time Director of the Great Library of Alexandria in Egypt, proposed a purely geometrical method to measure the length of the
Welcome to the Community for the Eratosthenes Experiment for the Measurement of the Earth's Circumference! The experiment took place on the 21st of March 2014. For details on the event and the photo contest, please see here.
Welcome to the Community for the Eratosthenes Experiment 2015-19 for the Measurement of the Earth's Circumference! For details on the event and the latest photo contest, please see here and here. Guidelines for participation STEPS TO FOLLOW Find the time of your local noon at your location. Please use the web-based NOAA Solar Calculator or Solar Calculator or the Stellarium software (a short guide for using the Stellarium software to calculate your local noon at your location can be found here)
