Eratosthenes experiment in Acropolis

Bild des Benutzers eric vayssie

4 Greek schools participated to Eratosthenes experiment in Acropolis for the spring equinox:

3rd High School of Aspropirgos,
Protypo Peiramatiko Gymnasio Agion Anargyron,
3o Γυμνάσιο Iλίου,
1st High School of Aigio

 

 

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La main à la pâte Stiftung Sonnentaler