extraterrestrial civilizations
"Extraterrestrial civilizations" refers to communities or societies of intelligent beings, such as advanced alien species, that exist beyond our planet Earth. These civilizations are presumed to originate from other celestial bodies in the universe and may possess diverse technological advancements, social structures, and cultural systems.
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Similar Concepts
- advanced extraterrestrial civilizations
- alien civilizations
- alien communication
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- alien technology
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