There could be a lot of hostile civilizations in outer space

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There could be a lot of hostile civilizations in outer space. View article details on HISWAI: https://www.campuslately.com/there-could-be-a-lot-of-hostile-civilizations-in-outer-space/

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Cosmic “ears” hide signals from the depths of the universe. American astronomer Frank Drake was the first to convert a large radio telescope at the ...

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