Flat or Globe Earth?, page-326

  1. 26,015 Posts.
    I suggest that you start at primary school level and try to work you way up.

    A small ship may disappear into the distance, but you can still see it through a telescope because it has not yet dropped over the horizon, but when it does, it is no longer visible through your telescope.

    Then the only way to see it again is elevation, go to a higher viewing point. That is curvature.

    That you are unwilling or unable to understand is your problem.
 
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