Are we alone in the universe

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Workers in the search for extraterrestrial intelligence (SETI) would have needed more than a little luck in the first 45 years of the modern hunt for like minded colleagues out there. Besides stunning advances in search power, the first 45 years of modern SETI have also seen a diversification of search strategies. Additionally, the search for Extraterrestrial Radio Emissions from Nearby Developed Intelligent Populations has scanned billions of radio sources in the Milky Way by Piggybacking receivers in the antennas in use of observational astronomers, including Arecibo.




Kerr, R. A. (2005, July 1). Are we alone in the universe. Science.

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