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)
Welcome to the Community for the Eratosthenes Photo Contest March 2024! Here you can post your photos and take part in the contest. Upload your photo in the Resources area and automatically participate in the contest. Please keep in mind that each teacher can submit ONLY one photo. Entries with more than one photo will not be considered for the winning prize(s). The winning prize*** is a seat to attend the GEO - Academy Summer School 2024, in Marathon Greece from 7-12 July 2024. For more info
