SETI turns 50: five decades of progress in the search for extraterrestrial intelligence

Details SETI turns 50: five decades of progress in the search for extraterrestrial intelligence SETI turns 50: five decades of progress in the search for extraterrestrial intelligence

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7819e...1t&link_type=abstract

Instruments, Methods, and Missions for Astrobiology XIII. Edited by Hoover, Richard B.; Levin, Gilbert V.; Rozanov, Alexei Y.;

Biology

Scientific paper

The 1959 Nature article by Giuseppe Cocconi and Phil Morrison1 provided the theoretical underpinnings for SETI, accompanied in 1960 by Project Ozma2, the first radio search for signals by Frank Drake at the National Radio Astronomy Observatory (NRAO). Well over 100 search programs have been conducted since that time, primarily at radio and optical wavelengths, (see www.seti.org/searcharchives) without any successful signal detection. Some have suggested that this means humans are alone in the cosmos. But that is far too strong a conclusion to draw from far too small an observational sampling. Instead of concluding that intelligent life on Earth is unique, it is more appropriate to note that in 50 years our ability to search for electromagnetic signals has improved by at least 14 orders of magnitude and that these improvements are still occurring at an exponential rate. At the SETI Institute we are in the process of reinventing the way we search in order to fully utilize these technological enhancements. We are now building the setiQuest community and we intend to get the world involved in making our searches better. We need to find ways to harness the intelligence of all Earthlings in order to better seek out extraterrestrial intelligence. If we do it right, we just might succeed, and we might also change how we see ourselves, and make our own world a better place.

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