Other civilizations

Post image for Excerpt From  Astronomers Who Think They May Have Found Other Civilizations.

  Sloan Digital Sky Survey Discovery of peculiar periodic spectral modulations in a small fraction of solar type stars E.F. Borra, E. Trottier (Submitted on 10 Oct 2016) 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 […]

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