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Broca's Brain: Reflections on the Romance of Science is a 1979 book by the astrophysicist Carl Sagan. Its chapters were originally articles published between 1974 and 1979 in various magazines, including The Atlantic Monthly, The New Republic, Physics Today, Playboy, and Scientific American. In the introduction, Sagan wrote: [1]
Carl Sagan, seen here with a model of Viking lander, popularized the aphorism. "Extraordinary claims require extraordinary evidence" (sometimes shortened to ECREE), [1] also known as the Sagan standard, is an aphorism popularized by science communicator Carl Sagan. He used the phrase in his 1979 book Broca's Brain and the 1980 television ...
The Sagan standard is the aphorism that "extraordinary claims require extraordinary evidence". It is named for Carl Sagan (pictured) , who used the phrase in his 1979 book Broca's Brain . The standard has been described as fundamental to the scientific method and is regarded as encapsulating the basic principles of scientific skepticism .
The public's association of Sagan with the phrase "billions and billions" came from a Tonight Show skit. Parodying Sagan's affect, Johnny Carson quipped "billions and billions". [2] The phrase has, however, now become a humorous fictitious unit—the sagan. Aside from using the catchphrase as the title of the book, Sagan's introduction also ...
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Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Broca's Brain; C. The Cold and the Dark; Comet (book)
Following Sagan's death in 1997, Ithaca's Sciencenter created the Sagan Planet Walk in the astronomers honor a 1.2 kilometer model of the Solar System on a 1 to 5 billion scale, crossing through ...
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