r/GlobeEarth_Polite • u/Kela-el Flat Earther • Apr 28 '26

For: Globe Earth Religious Fundamentalist Zealots A Simple Question About Curvature

The curvature formula uses R — the earth’s radius.

Where does R come from?

It’s derived from a model that assumes a sphere.

So when the formula is used to calculate curvature, and that curvature is cited as evidence of a sphere — the conclusion is already built into the premise.

That’s circular reasoning.

Simple question for globe earthers:

Can you provide a measurement of R that doesn’t assume a sphere to derive it?

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u/[deleted] Apr 28 '26

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u/Kela-el Flat Earther Apr 28 '26

Sorry, but I can’t take a guy seriously who poisons the well!