Carl Sagan · 1987 | ChronoCite

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Carl Sagan · 1987 | ChronoCite

← Carl Sagan timeline

1987Source gives the year onlyDirect quote75% confidence

“The Burden of Skepticism" in Skeptical Inquirer Vol. 12, Issue 1 (Fall 1987)”

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