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Sci_xpert, Leschs Universum, Folge 10
1 year ago
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9. Sci_xpert, Leschs Universum, Folge 10
1 year ago
Gibt es Beobachtungen zu Kometenbewegungen, die eine Bedrohung für die Erde darstellen? Inwiefern kann die Bahn eines Kometen vorher gesagt werden?
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