A look at the Pioneer Plaque, which was installed on the unmanned space probe Pioneer 10 to communicate facts about Earth and its inhabitants to potential life on other planets after its launch from Cape Canaveral in March 1972. The panel was engraved with graphic images and mathematical symbols, showing the location of its origin in the solar system and controversial naked figures of human beings.
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Ready to Watch The Beauty of Diagrams, Season 1, Episode 6?