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The earth can ONLY be a sphere using fundamental geometric principles and middle school math.

Using simple fucking math based on basic, middle school, equations for spheres.

https://amsi.org.au/ESA_Senior_Years/SeniorTopic8/8b/8b_2content_5.html

This PROVES curvature, you stupid assed muther fucker. Curvature. Proof of curvature, using mathematics that you can verify using GPS.

The comparison of the distance between two lines of longitude at a specific northerly Latitude and the same two lines of longitude at the corresponding southerly Latitude being equal and both being shorter than at the equator is only possible with a globe. That is a fundamental geometric principle of a sphere. This can ONLY be possible/practical with a sphere.

The distance from Perth Australia to Ushuaia Argentina (the southern most tip of south America) is 6450 miles.

The distance from Ottawa Canada to Bejing China is 6911.

This can ONLY be possible on a sphere.

2 ways that you can absolutely prove the earth is a sphere, you utter fucking faggot.

Hey, disingenuous fucking nigger, you said that Pascal's Law only applies to incompressable fluids, correct?