ScienceCasts: Amerikas Weltraum-Debüt: Explorer 1

Am 31. Januar 1958 traten die Vereinigten Staaten mit dem erfolgreichen Start des Satelliten Explorer 1 dem " Wettlauf ins All " bei und leiteten damit die Weltraumforschung ein. Weitere Informationen findest du auf Explorer-1-Website: Explorer-1-Buch: Klick hier, um mehr Videos zu sehen:

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