As we all know, the model of a flat earth in contrast to a globe was a common idea even until Columbus tried to sail from Europe to India. He had to face doubts in his crew as well as whether the Earth was really round, so that there was no danger of “falling off the edge.” This model reflects our everyday perception that we stand firmly on the ground and, for example, water is not flowing away from us – following the curvature of the Earth. So, there is actually some ratio and common sense behind it.
But when people acknowledged that Earth in fact was round, a whole new world not only in the literary sense opened up to them and things became possible and even inevitable that were beyond imagination before.
I think that our civilization today is currently figuring out again that the world is round!
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