

The discussion anticipates difficulties in communication with an alien civilization, hardly an exercise in science fiction, and explores how international groups can participate in future specific response. The alternate approach is not intended to compute ETI precisely but to examine the possibility that, though vastly spread, it likely exists. In addition it addresses major geological and astronomical occurrences that profoundly affected development of life on Earth and might apply similarly for Extraterrestrial Intelligence (ETI). It importantly relies on experience and detectable events, including recent astronomical evidence about exoplanets as cataloged by the European Exoplanet program and by the National Aeronautics and Space Administration (NASA) Exoplanet Science Institute. An alternate and original method suggests ~100 civilizations. This paper reconsiders the Drake equation, an estimate for the number of civilizations in our galaxy that may possess technology for interstellar signaling, and shows that statement of the current alleged best estimate of two civilizations is not supported. The transmission and the ensuing long silence may be intended. This article examines whether the transmission was an artificial signal, and if so why it matters, to include the possibility that the modest technology used by the “Big Ear” receiver could have been accommodated by the source. Using greatly improved technology, subsequent efforts by the Search for Extraterrestrial Intelligence (SETI) have continued, yet silence from space prevails. It has been 38 years since the most likely artificial transmission ever recorded from a possible extraterrestrial source was received. | Home | General | Memb Svcs | Publications | Press | Technical | Internet | Index |Įntire website copyright © The SETI League, Inc.Keywords: SETI, Drake equation, Exoplanets, Astrobiology, Philosophy of science
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The User Name and Password for this section of our website were updated on 1 March, 2023. All Back Issues of SearchLites, our Quarterly Newsletter.Click on the speaker icon to hear the Song of the Stars. Hydrogen line emission, as observed by a Project Argus station in time domain, frequency domain, waterfall and surface plot. Updated SETI League Leaflet (Portable Document Format).

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We were pleased to have member Jon Richards, who heads up software engineering for the SETI Institute's Allen Telescope Array, join us for this year's virtual meeting. Home to Project Argus, the ambitious global Microwave SETI project Searching for Extra-Terrestrial Intelligence Non-profit, educational and scientific organization The SETI League: since 1994 the leading membership-supported, SETI is a science, not simply a screensaver! Together, fifteen hundred members in five dozen countries on all seven continents are keeping alive the quest for our cosmic companions. Founded in 1994, we are the international grass-roots organization dedicated to privatizing the electromagnetic Search for Extra-Terrestrial Intelligence. Today we have the technology to seek a definitive answer! The SETI League, Inc. It's a fundamental question, which has haunted humankind since first we realized that the points of light in the night sky are other suns.
