Civilization - Links
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...