Qu� s�n els rajos c�smics? - 17/05/20
La Terra és plana · Corporaci� Catalana de Mitjans Audiovisuals, SA
May 17, 202022m 0s
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Show Notes
Avui, amb el Joan Anton Catal�, descobrim uns objectes que constantment bombardegen la Terra, tot i que no ho notem: els rajos c�smics. Qu� s�n? S�n perillosos?