• Michael A. G. Michaud


Could contact with a more powerful civilization endanger our safety, even our survival? This is the question that most sharply divides the optimists from the pessimists.


Trojan Horse SETI Scenario Biological Society Advanced Civilization Powerful Civilization 
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.
    Quoted by Dick, The Biological Universe, 515, and by Billingham, et al., 53.Google Scholar
  2. 2.
    Zdenek Kopal, Man and His Universe, London, New York, William Morrow, 1972, 306. Also quoted in MacVey, Interstellar Travel, 226, and in Sullivan, 297.Google Scholar
  3. 3.
    As quoted by Nigel Calder in oSpaceships of the Mind, New York, Viking, 1978, 10.Google Scholar
  4. 4.
    Purcell, in Goldsmith, editor, 188–196; Morrison in Sagan, editor, CETI, 337; Drake, “On Hands and Knees.”Google Scholar
  5. 5.
    Sagan, The Cosmic Connection, 179–180, 215.Google Scholar
  6. 6.
    Joseph F. Goodavage, “An Interview with Carl Sagan,” Analog Science Fiction/Science Fact, August 1976, 92–101; Sagan, Cosmos, 311; Sagan, Pale Blue Dot, 394, 398.Google Scholar
  7. 7.
    Sagan, editor, CETI, 347–348.Google Scholar
  8. 8.
    Harrison, “Slow Track, Fast Track.”Google Scholar
  9. 9.
    MacGowan and Ordway, 330.Google Scholar
  10. 10.
    Asimov, Catastrophes, 265.Google Scholar
  11. 11.
    MacGowan and Ordway, 243, 268, 271, 366; Cade, Other Worlds than Ours, 224–225.Google Scholar
  12. 12.
    Project Cyclops, 31.Google Scholar
  13. 13.
    Donald Tarter, “Security Considerations in Signal Detection.”Google Scholar
  14. 14.
    Republished as “Advice for Astronomers,” International Herald Tribune, 30 December 1982; Clark and Clark, 106.Google Scholar
  15. 15.
    Swift, 166.Google Scholar
  16. 16.
    “Possibility of Intelligent Life Elsewhere in the Universe” (report prepared by the Congressional Research Service for the Committee on Science and Technology, U.S. House of Representatives), Washington, DC, U.S. Government Printing Office, 1977, 68.Google Scholar
  17. 17.
    William R. Polk, Neighbors and Strangers: The Fundamentals of Foreign Affairs, Chicago, University of Chicago Press, 1997.Google Scholar
  18. 18.
    Shostak, Sharing the Universe, 123; Clark and Clark, 107.Google Scholar
  19. 19.
    Ronald Bracewell, “Man’s Role in The Galaxy,” Cosmic Search, Vol. 1, Number 2 (March, 1979), 48–51; Sullivan, 295.Google Scholar
  20. 20.
    Rood and Trefil, 241.Google Scholar
  21. 21.
    Brin, “A Contrarian Perspective.”Google Scholar
  22. 22.
    C.M. Cade, “Communicating with Life in Space,” Discovery, April 1963, 26–41; MacVey, Interstellar Travel, 228; Grinspoon, 290.Google Scholar
  23. 23.
    Jared Diamond, “To Whom It May Concern,” The New York Times Magazine, 5 December 1999, 68–69; Jared Diamond, The Third Chimpanzee, New York, Harper Collins, 1992, 214.Google Scholar
  24. 24.
    Sullivan, 295–296; Fitzgerald, 350.Google Scholar
  25. 25.
    Fred Hoyle, A for Andromeda, New York, Avon, 1975, originally published in 1962; Carl Sagan, Contact, New York, Pocket, 1997.Google Scholar

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© Springer Science+Business Media, LLC 2007

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  • Michael A. G. Michaud

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