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What claims are just not backed by historical facts? (kbin.social)

submitted 11 months ago* (last edited 11 months ago) by TheArstaInventor@kbin.social to c/AskKbin@kbin.social

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To me, it's: That ancient people thought the Earth was flat.

We have records from around 430BC where Greek philosophers spoke of the Earth being a sphere. In 240BC the Greek astronomer Eratosthenes calculated the circumference of the Earth and was only about 2% out.

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[–] barf@kbin.social 4 points 11 months ago (1 children)

Where does the distance to the sun enter into this equation?

[–] flatearth@kbin.social 1 points 11 months ago

Did he make an assumption about the distance of the sun?
Did he assume parallel rays?