Showing 81 - 100 results of 1,451 for search '"extraterrestrials"', query time: 0.25s Refine Results
  1. 81
    Wide-bandwidth high-resolution search for extraterrestrial intelligence : semiannual status report 15 Dec 1991 - 15 June 1992 /
    by Horowitz, Paul, 1942-
    Published 1992
    Subjects: “...Extraterrestrial intelligence. nasat...”
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    Government Document eBook
  2. 82
    Contact with alien civilizations : our hopes and fears about encountering extraterrestrials /
    by Michaud, Michael A. G.
    Published 2007
    Book
  3. 83
    Contact with alien civilizations : our hopes and fears about encountering extraterrestrials /
    by Michaud, Michael A. G.
    Published 2007
    Subjects: “...Extraterrestrial beings. http://id.loc.gov/authorities/subjects/sh2007000255...”
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    eBook
  4. 84
    Proceedings of the sixth annual meeting of the Working Group on Extraterrestrial Resources : Aerospace Medical Division, Brooks Air Force Base, Texas, February 19-21, 1968.
    Published 1968
    “...Proceedings of the Working Group on Extraterrestrial Resources...”
    Government Document Book
  5. 85
    The cosmic connection ; an extraterrestrial perspective /
    by Sagan, Carl, 1934-1996
    Published 1973
    Book
  6. 86
    The cosmic connection : an extraterrestrial perspective /
    by Sagan, Carl, 1934-1996
    Published 1975
    Book
  7. 87
    The UFO book : encyclopedia of the extraterrestrial /
    by Clark, Jerome
    Published 1998
    “...Encyclopedia of the extraterrestrial...”
    Book
  8. 88
    The quest : a report on extraterrestrial life /
    by Allen, Thomas B.
    Published 1965
    Book
  9. 89
    Contact with the stars : the search for extraterrestrial life /
    by Breuer, Reinhard A., 1946-
    Published 1982
    Book
  10. 90
    Paradox : the case for the extraterrestrial origin of man /
    by Cohane, John Philip
    Published 1977
    Book
  11. 91
    Beyond Earth : the search for extraterrestrial life /
    by Gallant, Roy A.
    Published 1977
    Book
  12. 92
    Are we alone? : The possibility of extraterrestrial civilizations /
    by Rood, Robert T.
    Published 1981
    Book
  13. 93
    First contact : the search for extraterrestrial intelligence /
    Published 1990
    Book
  14. 94
    Waiting for contact : the search for extraterrestrial intelligence /
    by Squeri, Lawrence Louis, 1942-
    Published 2016
    Subjects: “...Search for Extraterrestrial Intelligence (Study group : U.S.) http://id.loc.gov/authorities/names/n...”
    Book
  15. 95
    Planet hunters : the search for extraterrestrial life /
    by Ellerbroek, Lucas
    Published 2017
    Table of Contents: “...Cover; Planet Hunters: The search for extraterrestrial life; Imprint Page; Contents; Introduction...”
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    eBook
  16. 96
    Alien archives : eighteen stories of extraterrestrial /
    by Silverberg, Robert
    Published 2019
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    eBook
  17. 97
    Alone but not lonely : exploring for extraterrestrial life /
    by Friedman, Louis
    Published 2023
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    eBook
  18. 98
    Studies of HZE particle interactions and transport for space radiation protection purposes /
    Published 1987
    Subjects: “...Extraterrestrial radiation....”
    Government Document Book
  19. 99
    Construction in space /
    by Gvamichava, V. A.
    Published 1984
    Subjects: “...Extraterrestrial bases....”
    Government Document Book
  20. 100
    Reliability of equivalent sphere model in blood-forming organ dose estimation /
    by Shinn, Judy L.
    Published 1990
    Subjects: “...Extraterrestrial radiation....”
    Government Document Book
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