This Is How We Know Earth Isn't Flat

This Is How We Know Earth Isn't Flat

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Life Noggin • 2M views

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Math topics:
_Elementary_geometry_##Elementary geometry##_Angle_##Angle##_Circle_##Circle##_Line_(geometry)_##Line (geometry)##_Shape_##Shape
Other topics:
_Time_in_astronomy_##Time in astronomy##_Noon_##Noon##_Solstice_##Solstice##_Summer_solstice_##Summer solstice##_Greek_mathematics_##Greek mathematics##_Eratosthenes_##Eratosthenes##_Greek_mathematics_##Greek mathematics##_Aristotle_##Aristotle##_Earth_##Earth##_Sky_##Sky##_Eclipse_##Eclipse##_Earth_##Earth##_Sun_##Sun##_Sun_##Sun##_Day_##Day##_Horizon_##Horizon##_Ancient_history_by_country_##Ancient history by country##_Ancient_Greece_##Ancient Greece##_Ancient_Egypt_##Ancient Egypt##_Ancient_Greek_##Ancient Greek
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