Nicolás Copérnico, Biografias Universales https://www.youtube.com/watch?v=PMOuoWKUqb8
Ptolemaic vs. Copernican Model https://www.youtube.com/watch?v=VyQ8Tb85HrU
La concepción del mundo de Nicolás Copérnico, Genios e inventos https://www.youtube.com/watch?v=FlFyPMymYeQ
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