Advanced alien civilizations rare or absent in the local Universe
Dwingeloo, The Netherlands (SPX) Sep 16, 2015 - Advanced civilisations harnessing energies on galactic scales (so-called Kardashev Type III civilisations) are expected to be detectable in the mid-Infrared part of the spectrum via the emission of significant waste heat products. A team of astronomers led by Dr. Jason Wright (Penn State University, USA) has already drawn up a list of several hundred candidate galaxies (culled from a total ... more
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