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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?

No: The Earth is not flat Show more Show less

Flat Earth theories are incorrect; the Earth is round.
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Ships emerge on the horizon

Ships at sea appear to rise up from the waves on the horizon due to the curvature of the Earth.

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Enter the background of the argument here ...

The Argument

As a ship moves away from an observer, the hull disappears first, then the main structure, and lastly the antennas or sails. If the Earth were flat, the ship would shrink until the entire craft was too small to discern. A globe Earth explains this observation perfectly.

Counter arguments

The hull disappears first because its angular size reaches the limit of the human eye before any other part of the ship.


Enter the formal premises of the argument here ...

Rejecting the premises

Enter the technical rejections of the premises here ...


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This page was last edited on Monday, 3 Jun 2019 at 18:30 UTC