This speech by Carl Sagan will change your life. #cosmos #astronomy #space | Quantum physics
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Carl Sagan and His Famous ‘Pale Blue Dot’ Speech (1994) @ Free Xenon
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A disturbing 1995 prediction by Carl Sagan accurately describes America today
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2.8M views · 47K reactions | Carl Sagan, who would have been 87 years old today, sent a message out to the Universe during his 1977 #XmasLectures. We worked out how far that message would have travelled at the speed of light since then.  Watch his full lectures, "The Planets" (free/no registration): rigb.org/explore-science/explore/video/planets-earth-planet-1977 | Royal Institution of Great Britain | Facebook
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2.8M views · 47K reactions | Carl Sagan, who would have been 87 y…
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FacebookRoyal Institution of Great Britain
Video: Carl Sagan predicted our current dystopia back in 1990
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