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Discuss Carl Sagan and his contributions to science and astronomy

Discuss Carl Sagan and his contributions to science and astronomy

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  • Carl Sagan is also known as "the astronomer of the people".
  • He was an American astronomer,astrophysicist and researcher.
  • He authored more than 20 books about space and the universe.
  • He helped NASA with space missions to Venus,Mars and Jupiter.
  • His contributions were central to the discovery of the high temperatures of the planet Venus.
  • He was among those scientists who proposed that there might be life on other planets.
  • He asserted that the possibilities of extraterrestrial space vehicles visiting earth are very very small.  
  • Sagan contributed insights regarding the atmosphere of Jupiter, seasonal changes on Mars, Saturn' moon Titan and Jupiter's moon Europa.
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