Where is everybody? Humans could theoretically colonize the galaxy in a million years or so, and if they could, astronauts from older civilizations could do the same. So why haven't They come to Earth?
Nuclear reactor, physics
Formulating the Fermi Paradox
c. 1950 (lunch conversation)
Found in 1 providers: gemini
Cross Reference
1 source
"Before I came here I was not only a little confused about the subject, but also had some doubts about my confusion."
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