ScienceCasts: Erstaunliche Monde

Als das Raumfahrtzeitalter begann, wollten Forscher unbedingt die Planeten des Sonnensystems besuchen. Mit der Zeit erkannten Astronomen jedoch, dass die Monde des Sonnensystems noch interessanter sein könnten. Weitere Informationen findest du auf http://science.nasa.gov/ Klick hier, um mehr Videos zu sehen: https://alugha.com/NASA

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