Civilization
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Universe Has Probably Hosted Many Alien Civilizations: Study | Space
https://www.space.com/32793-intelligent-alien-l...
There Are At Least 36 Intelligent Alien Civilizations In Our Galaxy, Say Scientists
https://www.forbes.com/sites/jamiecartereurope/...
There Could Be 42,777 Intelligent Alien Civilizations In Our Galaxy Say Scientists
https://www.forbes.com/sites/jamiecartereurope/...
How many alien civilizations are out there? A new galactic survey holds a clue.
https://www.nationalgeographic.com/science/arti...
The Milky Way is full of habitable real estate, with roughly half of all sunlike stars...
Related topics
Parent topics
Culture
Civilizations
Anthropological categories of peoples
Cultural anthropology
Cultural geography
Cultural history
Linear theories
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