Salvador
RF's Swedenborgian
Neither do I believe there are extraterrestrial biological beings themselves visiting Earth, however, I'm convinced there is likely advanced extraterrestrial drone technology launched from a distant extraterrestrial civilization to survey Earth.
There is also preliminary evidence of "234' advanced alien civilizations advertising their existence by way of laser light pulses.
A pair of Canadian astronomers have recently concluded that the signals they've detected from the spectra of 234 stars they've surveyed and analyzed out of 2.5 million spectra may likely be caused by light pulses generated by Extraterrestrial Intelligence to makes us aware of their existence.
"A Fourier transform analysis of 2.5 million spectra in the Sloan Digital Sky Survey was carried out to detect periodic spectral modulations. Signals having the same period were found in only 234 stars overwhelmingly in the F2 to K1 spectral range. The signals cannot be caused by instrumental or data analysis effects because they are present in only a very small fraction of stars within a narrow spectral range and because signal to noise ratio considerations predict that the signal should mostly be detected in the brightest objects, while this is not the case. We consider several possibilities, such as rotational transitions in molecules, rapid pulsations, Fourier transform of spectral lines and signals generated by Extraterrestrial Intelligence (ETI). They cannot be generated by molecules or rapid pulsations. It is highly unlikely that they come from the Fourier transform of spectral lines because too many strong lines located at nearly periodic frequencies are needed. Finally we consider the possibility, predicted in a previous published paper, that the signals are caused by light pulses generated by Extraterrestrial Intelligence to makes us aware of their existence. We find that the detected signals have exactly the shape of an ETI signal predicted in the previous publication and are therefore in agreement with this hypothesis."
[1610.03031] Discovery of peculiar periodic spectral modulations in a small fraction of solar type stars
arXiv.org > astro-ph > arXiv:1610.03031
strophysics > Solar and Stellar Astrophysics
Discovery of peculiar periodic spectral modulations in a small fraction of solar type stars
E.F. Borra, E. Trottier
(Submitted on 10 Oct 2016)
Eventually, we may be able to communicate with some of these 234 presently known possible advanced alien civilizations who might have been advertising their existence throughout the Milky Way.
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