Carl Sagan [4:07]


Honoring Carl Sagan Day on November 9th, Hank Green discusses the scientist and public educators’ legacy.  The video covers his early biography and long list of accomplishments, from determining Venus’ atmosphere, working on a range of NASA projects, the golden record, and his PBS mini-series Cosmos.  The video ends reading Sagan’s famous Pale Blue Dot speech.

Discussion Questions

  • Why is public science education so important?
  • What is Sagan’s Pale Blue Dot speech about?  What is he arguing?

Keywords: Sagan, Freethinker, education, exploration,


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