Qu� �s la ferralla c�smica? - 13/10/19
La Terra és plana · Corporaci� Catalana de Mitjans Audiovisuals, SA
October 13, 201919m 8s
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Show Notes
Qu� �s la ferralla c�smica? Els humans estem embrutant massa l'espai amb les nostres exploracions? Avui ens ho explica tot el nostre astr�nom de refer�ncia, el Joan Anton Catal�.