SciShow
Carl Sagan (2013x172)
Exibido em:: 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!
- Estreou: Jan 2012
- Episódios: 3678
- Seguidores: 2
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