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Vety- ja kuumailmapallon vertailu

4
Average: 4 (3 votes)
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Satellite Orbital Mechanics - Kepler's Laws

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Kepler's Laws of Planetary Motion

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Ursa Major in Science Centre Heureka

4
Average: 4 (2 votes)
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Φεγγάρι όρθιο, ξαπλωτός καπετάνιος

4
Average: 4 (3 votes)
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Jorden-En introduktion

3.666665
Average: 3.7 (3 votes)
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Sound Waves

5
Average: 5 (2 votes)

Небесни координатни системи

3.333335
Average: 3.3 (3 votes)
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Φεγγάρι όρθιο, ξαπλωτός καπετάνιος

2
Average: 2 (1 vote)
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Sun for all

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