Other
Scientific paper
Mar 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jbis...38..106f&link_type=abstract
British Interplanetary Society, Journal (Interstellar Studies) (ISSN 0007-084X), vol. 38, March 1985, p. 106-112. Research suppo
Other
3
Extraterrestrial Intelligence, Project Seti, Black Body Radiation, Line Spectra, Neutrinos, Nuclear Fuels, Nuclear Fusion, Radio Spectra, Tritium
Scientific paper
Advanced extraterrestrial civilizations which make extensive use of the fusion fuel resources of their local star and planetary system have numerous potentially observable characteristics. A circumstellar nuclear fuel molecular effusion cloud, the principal observable, rapidly dissociates and neutralizes to the atomic ground state, permitting the detection of hydrogen and tritium hyperfine transition radio lines at 1420 MHz and 1516 MHz, respectively. The negligible natural abundance of neutral atomic ground-state tritium suggests that its hyperfine line, the 'tritium waterspout' center in the radio SETI 'waterhole' band, is ideal for interstellar communication and future SETI searches. Other possible observables of advanced civilizations include redshifted neutrino point sources, an artificial radio spectrum, anomalous blackbody radiation, fission waste absorption lines, Doppler and stellar spectral anomalies, and extraordinary magnetic fields.
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