SciShow

SciShow

Carl Sagan (2013x172)


Date de diffusion: Nov 09, 2013

Hank pays tribute to Carl Sagan, noting his accomplishment as an astronomer and his contributions to culture -- both pop and otherwise -- as one of the great popularizers of science. Happy Carl Sagan Day!

  • Première: Jan 2012
  • Épisodes: 3794
  • Abonnés: 2
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