Desperately Seeking ET: Fermi's Paradox Turns 65 (Part II)

April 17, 2015 9:10 PM

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Why is it so hard to find ET? After 50 years of searching, the SETI project has so far found nothing. In the latest development, on April 14, 2015 Penn State researchers announced that after searching through satellite data on 100,000 galaxies, they saw no evidence, such as infrared signatures, indicative of advanced technological civilizations. Such civilizations might exist, but there was certainly no clear-cut evidence in their data.

The problem with explanations such number one is that it just takes one small group in one distant civilization to break the pact of silence. Given our experience with human society, it is hardly credible that a "law"-forbidding contact with civilizations such as ours could be enforced over a vast a...

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