SETI public: Unclogging The Great Filter - (Or Why Weve Never Seen Any Sign of Alien Life)

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From: LARRY KLAES (ljk4_at_msn.com)
Date: Thu May 29 2008 - 11:10:29 PDT

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    Unclogging “The Great Filter” - (Or Why We’ve Never Seen Any Sign of Alien
    Life)

    By Luke McKinney

    The Great Filter is the idea that there is some single, almost
    insurmountably improbable barrier on the path to the stars that explains why
    we’ve never seen any sign of alien life. It combines aspects of astrology,
    biology and history to arrive at one inescapable conclusion: University
    professors dream of book deals.

    Robin Hanson of George Mason University posits a “Great Filter” that
    prevents the rise of intelligent, self-aware, technologically advanced,
    space-colonizing civilizations. The “filter” would be one or more improbable
    steps along the path that starts with the creation of a planet and ends with
    a race capable of colonizing the galaxy.

    Full article here:

    http://www.dailygalaxy.com/my_weblog/2008/05/unclogging-the.html

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