Where is the gaping edge . . .?
Oh that's right there isn't one because the earths is round
We've documented every section of the earth, and there are no places we cannot see, whether it be with planes. boats or satelites.
Yes there are certain places boats and planes can't go, but we've uncovered enough of the earths surface to understand that the earth are no gaping edges and it being round makes complete sense
Everyone has seen the world.
Only so many people can lie.
your theory fails