We do not know how common technological civilizations are in the galaxy.
open
Global / Unspecified, Global
The Fermi paradox highlights tension between estimated probabilities and the lack of detected signals. Systematic, wide-band SETI and technosignature searches are needed.
Citation ID: WS01838
Title: We do not know how common technological civilizations are in the galaxy.
URL: https://www.worldsolve.org/index.php?api=problem&id=1838