100.000 Galaxies Investigated: Still No Sign of Alien Life

April 15, 2015 8:07 AM

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Researchers at Pennsylvania State University examined 100.000 galaxies in search of advanced extraterrestrial civilization, but their search lead nowhere. The scientists used data from the NASA satellite WISE (Wide-field Infrared Survey Explorer) and looked for an alien civilization by tracking down signs of infrared radiation. The findings of the study were published on April 15 in the Astrophysical Journal.

Physicist Freeman Dyson was the one who came up with the idea that aliens might be visible, claiming that they could use star light for their purpose and therefore send mid-infrared emissions. These emissions were considered a proof of alien life, but in the past the measurement of those radiations ...

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