Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979cosse...1...41b&link_type=abstract
Cosmic Search, vol. 1, Fall 1979, p. 41-45.
Astronomy and Astrophysics
Astronomy
Extraterrestrial Intelligence, Project Seti, Radio Astronomy, Space Stations, Spaceborne Telescopes, Cost Effectiveness, Extraterrestrial Communication, Ground Stations, Lunar Craters, Radio Antennas, Radio Beacons
Scientific paper
Radio systems to be used in the search for extraterrestrial intelligence (SETI) are discussed. Parameters involved in the choice of such a system are presented, and possible configurations for earth-based and orbiting systems and systems of radio antennas located on the far side of the moon are compared on the basis of cost, practicality and technical factors. An incremental SETI program based on the cumulative development and implementation of earth-based, then space-based radio telescopes is suggested, which would allow the completion of a search for extraterrestrial radio beacons in the 18 to 21-cm range by the second decade of the next century. Finally, motivations for the transmission of and search for extraterrestrial messages are discussed, and implications of the results of such a search for the future of advanced technological civilization are noted.
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