If the earth was flat you would be able to see the Rocky Mountains from Chicago.
The fact that as you approach any tall object from a distance you see the top of it first is proof the earth is round. If it were flat you would see the entire object at the same time.
If the earth was flat you would be able to see the Rocky Mountains from Chicago.
The fact that as you approach any tall object from a distance you see the top of it first is proof the earth is round. If it were flat you would see the entire object at the same time.
Absolutely false. The atmosphere is not utterly transparent. Visibility through the density of the atmosphere is not infinite.
Yet the sun manages to get through it just fine
And radar goes through water vapor and clouds. There is a radar horizon.