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It isn't a flat plane. Even in those pictures. The earth front to back, for lack of better terms, curves off so that you can't see the edge on either side. If you were looking at an actual flat plane you could see the front edge and the back edge and it wouldn't curve. These do.

I'm not watching an idiot talk for 40 minutes and make a claim that isn't proven. Where does it say, specifically, that the 1st image is at 120,000 feet?

Again, you are trying to suggest that the earth isn't curved because what you perceive as the horizon appears to be straight from side to side. What you are ignoring is the front to back. Of the 4 images, the 2nd one, the fish eyed one, is the only one that isn't obstructed by total cloud cover, but it would be the same with the others if the clouds weren't there. On the 2nd image, it looks like you're looking northwest from over Africa. There seems to be the beginning of a land mass in the background. But you can't see past that land mass because the earth curves off into the background. Image 3 is just low res hazey as fuck. No help at all.

If the Earth was a plane, you could see the other side of that land mass and the edge of the earth. But this isn't the case. Likely, the other 3 images were chosen because of the cloud cover that's hiding the land masses. It's a deception.