10.5km (34.4kft) is an ordinary cruising altitude for an ordinary commercial airliner.
The curvature of the earth can be quite apparent on a clear day at that altitude when flying over water. Or the midwestern US.
10.5km (34.4kft) is an ordinary cruising altitude for an ordinary commercial airliner.
The curvature of the earth can be quite apparent on a clear day at that altitude when flying over water. Or the midwestern US.
Well thanks, then this is what I will recommend the next time I engage with flat earthers.