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[[:en:Fermi Paradox]] | [[:en:Fermi Paradox]] | ||
{{ | My departure is in § 5.2.4 below. | ||
[[File:Arecibo message.svg|thumb|right | {{TOCleft}} | ||
== English Lede == | |||
[[File:Arecibo message.svg|thumb|right|A graphical representation of the [[Arecibo message]] — Humanity's first attempt to use radio waves to actively communicate its existence to alien civilizations]] | |||
The '''Fermi paradox''' is the apparent contradiction between high estimates of the probability of the existence of [[Extraterrestrial life|extraterrestrial civilizations]] and the lack of evidence for, or contact with, such civilizations. | The '''Fermi paradox''' is the apparent contradiction between high estimates of the probability of the existence of [[Extraterrestrial life|extraterrestrial civilizations]] and the lack of evidence for, or contact with, such civilizations. |