Carl Sagan · 2009 | ChronoCite

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Carl Sagan · 2009 | ChronoCite

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2009Source gives the year onlyDirect quote75% confidence

“Citation choisie pour le 3 juin 2009.”

Wikiquote (fr)Trusted source1 sourceLive source Archived

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Captured 2026-08-16 from Wikiquote (fr). The archived copy is preserved so this citation survives link rot.