>>21268467wrong again, the whole "erastosthenes knew it was round using sticks" is propaganda you saw, again, on bill nye, or neil degrasse tyson, or some other NASA funded propaganda. stop pointing to sources that are "umm ackshually other people did math" which is completely unsubstantiated. they were teaching flat earth in schools as late as the 1930s in america
https://www.youtube.com/watch?v=2K87w1B019s 