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Is the Earth flat? Show more Show less

The shape of the Earth has been the subject of popular and scientific interest for millennia. Are theories about the Flat Earth correct, or does the Earth have curvature?

Yes: The Earth is flat Show more Show less

Flat Earth theories are correct about the shape of the Earth.
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The horizon always looks level

Even from high up in an aeroplane the horizon looks level to the naked eye

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The Argument

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Counter arguments

Any sphere appears flat when you zoom in close enough. People that use this line of reasoning to support their belief in a flat Earth, simply do no understand scale. The Earth is incredibly large when compared to things a person is innately familiar with. The horizon does NOT "always rise to eye level". Many people have performed simple experiments to prove this:


It looks flat, so it must be flat.

Rejecting the premises

Any curve will appear flat if enough magnification is applied. At sea level, a 6 foot tall person will see at most, 0.024% of Earth's curvature. At an airliner's cruising altitude, you will see at most, 1.0% of the curvature, but only from the cockpit. From a passenger window, you will see about 1/3 of that. Draw a circle on a piece of paper. Then cut out a 1% piece of the circle, and notice how little curvature you can see. This is why it is so difficult to notice Earth's curvature from the surface.


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This page was last edited on Monday, 3 Jun 2019 at 18:44 UTC