1. Launch a balloon with your own camera attached to it:
https://www.youtube.com/watch?v=UAifzh7_-cg
2. Sail around the world on your own.
3. Become an astronaut.
https://www.youtube.com/watch?v=UAifzh7_-cg
2. Sail around the world on your own.
3. Become an astronaut.
...but the curve is going the wrong way in that video!
http://i.imgur.com/LCkAMRG.png
The options were flat or spherical, now you've gone and complicated things by offering evidence for a concave earth.
With fish eye lens? Of course it is.
I'm surprised "flat earth" theory is still a thing. There's some loyal following, that even says that all the space photos are actually fake
