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Carl Sagan Day
November 9
Did you know November 9, 2026 is Carl Sagan Day? Now you do — and that’s reason enough to mark the occasion.
Photo: Kenneth C. Zirkel via Wikimedia Commons.
Did you know November 9, 2026 is Carl Sagan Day? Now you do — and that’s reason enough to mark the occasion.
Photo: Kenneth C. Zirkel via Wikimedia Commons.