Survey of 100,000 galaxies yields no evidence of alien civilizaitons

April 14, 2015 8:05 PM

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Researchers at Penn State University analyzed data from NASA's WISE observatory, a space-based infrared telescope, for data that might suggest the presence of faraway alien empires. Their analysis turned up no sure signs.

"The idea behind our research is that, if an entire galaxy had been colonized by an advanced spacefaring civilization, the energy produced by that civilization's technologies would be detectable in mid-infrared wavelengths -- exactly the radiation that the WISE satellite was designed to detect for o...

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