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| Planeten beobachten durchs Teleskop https://wissen-3.de/ro/viewtopic.php?f=70&t=846 |
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| Subiect: | Planeten beobachten durchs Teleskop |
| Autor: | Maria Marina |
Planeten beobachten durchs Teleskop Link: https://www.youtube.com/watch?v=etvhv6dKfIQ |
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