Published video “50th re-dedication of the Eternal Light Peace Memorial speech by Carl Sagan and Ann Druyan”.
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- #youtube
- #self-published
- #corroborated
Published video “50th re-dedication of the Eternal Light Peace Memorial speech by Carl Sagan and Ann Druyan”.
Captured 2026-08-16 from YouTube. The archived copy is preserved so this citation survives link rot.