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Harcourt: Biographies: Carl Sagan

Curated by ACT

A look at Carl Sagan, the man who brought the wonders of astronomy to the average person. Carl Sagan helped millions of people understand earth, the solar system, the universe and beyond. (In Spanish)

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Additional Tags
astronomia, astronomo, astronomo estadounidense, carl sagan, cosmic connection, american astronomer, carl edward sagan, carl sagan and spanish, dr. carl sagan, hrw, spanish and biographies
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)