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| Wie groß ist das Universum? How big is the universe? https://wissen-3.de/ko/viewtopic.php?f=77&t=825 |
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| 주제: | Wie groß ist das Universum? How big is the universe? |
| 작가: | Mayorano |
Wie groß ist das Universum? How big is the universe? Link: https://www.youtube.com/watch?v=jRQHw71dtgk |
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