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	Circumference of the Earth (FYG Foose) View
	The First Person Who Calculated The Circumference Of The Earth (Alex Glod) View
	How to Measure the Earth's Circumference (Physics Almanac) View
	Eratosthenes - Measuring the Circumference of Earth (TMartScience) View
	Carl Sagan - Cosmos - Eratosthenes (carlsagandotcom) View
	Calculating The Circumference of The Earth (ScienceC) View
	Science at home Episode 17 - Measuring the Circumference of Planet Earth!! (Midlands Science) View
	Measuring the Earth with a Pringles can (Howtown) View
	Circumference of Earth (Smithsonian National Air and Space Museum) View
	How ERATOSTHENES calculated the circumference of the Earth (Physics Lamp) View