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Carl Sagan  

Definition(s)

  • Carl Sagan, born in Brooklyn, New York, was an American astronomer, astrophysicist, and exobi-ologist who wrote the introduction for the first edition of Stephen Hawking's A Brief History of Time, published in 1988. Around age 5 Sagan became interested in astronomy, and his curiosity was further kindled by reading a library book about stars. [Source: Encyclopedia of Time: Science, Philosophy, Theology, & Culture; Sagan, Carl]

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http://data.loterre.fr/ark:/67375/N9J-P6J0DTKG-D

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