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17th of May 2023
The Flag of Earth
In 1970, James Cadle, a farmer from Illinois, proposed a design for the Flag of Earth, a concept that had been inspired by the Apollo moon-landings. His design consisted of a blue circle, representing the Earth, in front of a segment of a larger yellow circle, representing the Sun, and a smaller white circle, representing the Moon, with a black background. This Flag of Earth gained popularity among the SETI (Search for Extraterrestrial Intelligence) researchers and is shown above flying from the focus cabin of the Parkes 64m telescope, Murriyang, in 1995 when the telescope was contracted by the SETI Institute for Project Phoenix. It is claimed that James Cadle first flew his flag from a rural power pole on this day in 1970!

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