You are So correct. The earth is obviously round. The bible explains the circle of the earth and The sun and moon make their circuits around the circle daily. I've heard about nutjobs that think its square because a reference to the four corners of the earth but that doesn't fit with all the other scriptures. Round works. Your trip sounds amazing. My bucket list includes a flight from South America to Australia over the South pole. That would be awesome too. At 30k feet, there's no way to emit enough pollution to effect the little penguin on the ground.