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Sete Cordas
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8 inches times miles squared comparisons
Activity
Sete Cordas
Distances on a Flat Earth
Activity
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Horizon Curvature
Activity
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Polaris Elevation on a Flat Earth vs Observation
Activity
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Polaris Elevation Angle
Activity
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Trig Functions of the Unit Circle
Activity
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Flat Earth Solar Elevation and Angular Diameter
Activity
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Visual Earth Curve Calculator
Activity
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2D Eclipse Visualization
Activity
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Solar Elevation and Angular Diameter
Activity
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Lunar Epicycles
Activity
Sete Cordas
