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• Carl Sagan Person · 5 stories

  An astronomer whose name surfaces on the sceptical side of several cases.

Documents28 · see all

• Flying Saucers Again: Do You Believe in Them? FOIA release
  Central Intelligence Agency· 2001-03-12· 10 pages· 4 pages mention it
  • p. 7 …The American is Carl Sagan of Harvard University and the Smithsonian Astrophysical Observatory. The Russian is Academician Josef Shmuelovich Shklovskii…
  • p. 9 …But even the "cautious optimism" of Sagan and Shklovskil recognizes that there is only a slight chance that the nearest…
• Symposium on unidentified flying objects: hearings before the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, second session, July 29, 1968. Hearing transcript
  U.S. House of Representatives· 1968-07-29· 256 pages· 21 pages mention it
  • p. 91 …Our next participant is Dr.Carl Sagan. Dr. Sagan is associate professor of astronomy in the Department of Astronomy and…
  • p. 197 …SAGAN. Isn't that being done already? Mr. BOONE. No,it doesn't do it below certain altitudes. Dr. SAGAN…
• Defense Intelligence Reference Document An Introduction To The Statistical Drake Equation Report
  Defense Intelligence Agency· 55 pages· 3 pages mention it
  • p. 7 …We believe that no better introductory description of the Drake equations exists other than the one given by Carl Sagan…
  • p. 55 …2008). 2 Carl Sagan, "Cosmos", Random House, New York, 1983. See in particular the pages 298-302. 3 Bennet, Jeffrey…
• AAWSAP DIRD, An Introduction to the Statistical Drake Equation, March 2010 Official release
  U.S. Department of War· 2010-03-11· 55 pages· 3 pages mention it
  • p. 7 …We believe that no better introductory description of the Drake equations exists other than the one given by Carl Sagan…
  • p. 55 …2008). 2 Carl Sagan, "Cosmos", Random House, New York, 1983. See in particular the pages 298-302. 3 Bennet, Jeffrey…
• Sky Canada Project report (PDF) Report
  Office of the Chief Science Advisor, Government of Canada· 2025· 30 pages· 1 page mentions it
  • p. 8 …This is what renowned astron- omer and author Carl Sagan meant when he famously said, “Extraordinary claims require extraordinary evidence…
• Baker report, 1968 congressional hearings Hearing transcript
  NICAP· 1968· 68 pages· 5 pages mention it
  • p. 63 …to have a real free for all. Dr. Sagan. Dr. Sagan. I just wanted to underline one point that Dr…
  • p. 64 …Sagan. Isn't that being done already? Mr. Boone. No, it doesn't do it below certain altitudes. Dr. Sagan…

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