Sagan, Carl: Revision history

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17 January 2026

  • curprev 03:5403:54, 17 January 2026 Robert.francis.jr talk contribs 5,766 bytes +5,766 Created page with "<h2>Introduction</h2> <p>Carl Sagan was an American astronomer and one of the most influential science communicators of the twentieth century. Within UFO history he occupies a distinctive role: not a field ufologist, but a primary architect of the modern scientific attitude toward UFO claims. Sagan combined a willingness to consider extraterrestrial life plausible in the universe with a strong insistence that UFO conclusions demanded disciplined evidence. His writing and..."
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