It is also possible that the Earth diameter is superhuge and we are in a bowl under a dome on just one part of it (fishbowl prison dome theory...lol) on a SuperEarth (spheroid). A discrete area of a large sphere always appears “flat” or nearly so with very small curvature.
It is also possible that the Earth diameter is superhuge and we are in a bowl under a dome on just one part of it (fishbowl prison dome theory...lol) on a SuperEarth (spheroid). A discrete area of a large sphere always appears “flat” or nearly so with very small curvature.