Carl Sagan · 2023 | ChronoCite

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← Carl Sagan timeline

May 30, 2023Documented record85% confidence

Published video “Who Speaks For Earth?”.

YouTubeTrusted source1 sourceLive sourceNo archive

#social
#youtube
#self-published
#corroborated

Captured 2026-08-16 from YouTube. The archived copy is preserved so this citation survives link rot.

Carl Sagan · 2023 | ChronoCite