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Published 2 years ago by rawlings with 0 Comments
by rawlings
2 years ago

Researcher describes how extraterrestrial civilizations could colonize the galaxy even if they don't have starships

Astronomers have searched for extraterrestrial civilizations in planetary systems for sixty years, to no avail. In the paper published by International Journal of Astrobiology, Cambridge University Press, and titled "Migrating extraterrestrial civilizations and interstellar colonization: Implications for SETI and SETA...

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