Earth flag

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The Earth flag.
The Earth flag.

The Earth flag is a dark blue field charged with The Blue Marble, a famous NASA photo of the Earth as seen from outer space. It is not an official flag of any kind.

The flag was designed for the first Earth Day by John McConnell. It is also associated with environmental awareness, and the celebration of the global community.[citation needed] It was offered for sale in the Whole Earth Catalog.

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First Early Earth Flag design
First Early Earth Flag design
  • The first Earth flag used screen-printing and the colors of the Earth were reversed: the ocean was white and the clouds were blue. With only two colors, one color was for clouds and the other color was for both ocean and land. This image of a later Earth flag shows the correct colors.


[edit] James W. Cadle's "Flag of Earth"

Designed by James W. Cadle This flag is popular amongst SETI researchers.
Designed by James W. Cadle This flag is popular amongst SETI researchers.

Another Earth flag was created around the same time in 1970 by a farmer from Illinois named James W. Cadle. Cadle's version of the Earth flag consists of a large yellow arc representing the sun, a small white circle for the moon and a blue circle representing Earth beside the moon. It is used by SETI worldwide and was flown half staff when Carl Sagan died[1]. Flag of Earth Co. International was also founded by Cadle which sold the flag. The Flag of Earth became public domain in 2003[2].

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