LOM v1.0collectionLOM v1.01URLhttp://portal.discoverthecosmos.eu/node/107330enThis activity enables students to measure the radius of Earth. Groups of students at two distant schools will take data and then collaborate, in essentially the same way that Eratosthenes measured Earth’s circumference millennia ago in Egypt.radius of EarthLatitudeGeometryLOM v1.0final1.0LOM v1.0author2005-09-11World Year of Physics 2005LOM v1.0publisher2008-11-20Sofoklis SotiriouenLOM v1.0LOM v1.0creator2008-11-20Sofoklis SotiriouLOM v1.0validator2008-11-20COSMOS TeamLOM v1.0operating systemLOM v1.0ms-windowsWindows 95text/htmlhttp://portal.discoverthecosmos.eu/node/107330LOM v1.0noLOM v1.0yesLOM v1.0mixedvery highLOM v1.0difficult2 didactic hoursLOM v1.0experimentLOM v1.0exerciseLOM v1.0self assesmentproblem statementLOM v1.0teacherLOM v1.0school education9-1212-1515-18LOM v1.0DisciplineScienceAstronomy: EarthAstronomy: SunScientific enquiry: Science: historical and contemScientific enquiry: Creativity in scienceWaves: Visible lightScientific enquiry: Scientific predictionScientific enquiry: Prediction compared to results