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Magazine Article
Earth Measures Up!
2001
Overview
\"June 21, the Summer Solstice, was the first day of winter in Argentina and the first day of summer in Calgary. So students in both places got together to do something special--measure the circumference of (distance around) the Earth.\" (YES Mag: Canada's Science Magazine for Kids) Learn how these students accomplished the task of measuring Earth's circumference. A measurement method by a Greek scholar named Eratosthenes is discussed.
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