The Search for Extraterrestrial Intelligence


In its search for extraterrestrial life, astrobiology is limited by the enormous distances that separate the stars of our galaxy. As one may assume that interstellar probes will remain outside our possibilities for a long time, the only forms of extraterrestrial life we can discover outside our Solar System are those capable of being detected from a very large distance.


Radio Wave Celestial Body Convergent Evolution Giant Planet Stone Tool 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. 1.
    Carlo M. Cipolla, “Le Leggi Fondamentali della Stupidità Umana,” in Allegro Ma non Troppo, Il Mulino, Bologna, 1988.Google Scholar

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© Praxis Publishing, Ltd. 2007

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