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The flag of the United Nations is a sky blue banner containing the United Nations' emblem in the centre. The emblem on the flag is coloured white; it is a depiction of the world map in the azimuthal equidistant projection (centred on the North Pole and the International Date Line), surrounded by a pair of olive branches. The emblem was ...
With the circumference of the Earth being approximately 40,000 km (24,855 mi), the maximum distance that can be displayed on an azimuthal equidistant projection map is half the circumference, or about 20,000 km (12,427 mi). For distances less than 10,000 km (6,214 mi) distortions are minimal.
This work is excerpted from an official document of the United Nations. Prior to 17 September 1987 it was the policy of this organisation to not seek copyright, keeping most of its documents in the public domain , in order to disseminate "as widely as possible the ideas (contained) in the United Nations Publications" ( detail ).
Contrary to the popular belief that the Earth was generally believed to be flat until a few hundred years ago, the spherical shape of the Earth (and other celestial bodies) has been widely accepted in the Western world (and universally by scholars) since at least the Hellenistic period (323 BCE–31 BCE), with the first known measurement of Earth's circumference conducted by Eratosthenes.
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This work is excerpted from an official document of the United Nations. Prior to 17 September 1987 it was the policy of this organisation to not seek copyright, keeping most of its documents in the public domain, in order to disseminate "as widely as possible the ideas (contained) in the United Nations Publications" .
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This page was last edited on 14 February 2025, at 09:05 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.