The Earth is a cube. Join the cube Earth society, we have beer.
https://steemit.com/steemstem/@procrastilearner/what-would-a-cube-earth-be-like
All kidding aside, these guys at Overlook horizon launch balloon payloads up to 100,000 ft and can get pictures of the Earth's curvature.
Fish Eye lens, obviously. Come on you can do better than that =P
I remember the cube earth post!