Carl-Sagan on Scholionhttps://scholion.thluiz.com/tags/carl-sagan/Recent content in Carl-Sagan on ScholionHugo -- gohugo.iopt-BR© 2026Wed, 27 May 2026 21:26:22 +0100Sagan standard: Extraordinary claims require extraordinary evidencehttps://scholion.thluiz.com/notes/sagan-standard/Tue, 21 Apr 2026 12:37:00 +0100https://scholion.thluiz.com/notes/sagan-standard/Popularizada por Carl Sagan em ‘Cosmos’ (1980). Formulações anteriores: Truzzi (1975), Laplace (1810), Hume (1748).