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>> No.11179038 [View]
File: 589 KB, 220x220, EpicEarth-Globespin(2016May29).gif [View same] [iqdb] [saucenao] [google]
11179038

What proof is there of earths curvature? And if you use nasa what is the radius they supposed? Or is the radius based on a presupposed spherical model we cant prove?
https://m.youtube.com/watch?v=HETwy5FzXJw

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