Sagan's paradox

proper noun

The apparent contradiction between the high probability of the existence of extraterrestrial beings and the lack of observed evidence for such beings.

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Meanings

proper noun
  1. The apparent contradiction between the high probability of the existence of extraterrestrial beings and the lack of observed evidence for such beings.

Origin

Named after Carl Sagan.

Full word history & related roots →
Cite this entry
APA

Sagan's paradox. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Sagan's%20paradox

MLA

“Sagan's paradox.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sagan's%20paradox. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Sagan's paradox,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Sagan's%20paradox.

Source: Sagan's paradox on Wiktionary, CC BY-SA 4.0.