Flat or Globe Earth?, page-31

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    The earth curves about 8 metres over 10 kilometres and by then you have lost sight of the horizon. The earth is a massive object compared to human perception making it all but impossible to see or measure a curve even from a mountain top.

    Have you ever watched a large ship sail over a horizon? With binoculars we see the hull disappear and then the upper structures or masts as it passes across the curve of the earth.

    Depending on the composition of a body any object with a radius between 200 and 800 km will be reconfigured by gravity to an approximately round shape. The earth is about 6,400 km so to retain any surface as flat the earth must be exerting is own astonishingly powerful unknown force to repel the gravity that is acting upon it. No bodies of sufficient mass and radius have ever been observed in space to be flat.

    Water does submit to gravity if the globe is of sufficient size such as the earth to exert sufficient gravity.

    Even the landmass is effected by the gravitational effect of the moon via a land tide bulging up to about 30 cms.

    Flat earth is all about perspective, even from the top of the highest mountain you may not see a curvature, you can begin to see a curvature of the earth at about 35,000 feet. It looks to be curved to me from the window of a high flying jet.
 
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