May 15, 2019 by moschatz

Cosmic calendar of Carl Sagan

https://www.youtube.com/watch?v=GzG9fHMr9L4

Cosmic Calendar PDF

“The Dragons of Eden” by Carl Sagan

An inspiration for others

https://youtu.be/qe3PJ8WKO2E

L’Univers condensé sur un an, Blog lemonde.fr

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