Quote: theearthisflat "Here's a video regarding CURVATURE how is it we can see the isle of man from winter Hill. According to Eratosthenes calculation's it should be way below the horizon.
rlhttps://www.youtube.com/watch?v'"
See, the problem is that as soon as we say 'probably refraction', you'll say 'ah, but you don't know what the exact atmospheric conditions were at the time!'
There simply isn't enough available information to solve this particular problem so the flat Earth becomes the God of the gaps. And with that, I'm out.