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Watch Carl Sagan's classic lecture series for kids and adults
mardi 27 novembre 2018, 22:30 , par BoingBoing
In 1977, just a few months after Voyager 1 and 2 began their grand tour of the solar system, Carl Sagan gave the esteemed Christmas Lectures at the Royal Institution of Great Britain. You can watch them below via YouTube or at the
https://boingboing.net/2018/11/27/watch-carl-sagans-classic-le.html
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56 sources (32 en français)
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jeu. 2 mai - 02:40 CEST
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