more than 2 didactic hours


En bild av stjärnor

3
Average: 3 (1 vote)
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Jorden-En introduktion

3.666665
Average: 3.7 (3 votes)
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Сателити

0
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Гравитация и безтегловност

0
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Shoemaker Levy 9 Einschlag auf Jupiter - Stundenbild (The Learning Cycle)

4
Average: 4 (2 votes)
Certified content by COSMOS
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Shoemaker Levy 9 Impact on Jupiter - Lesson Plan (The Learning Cycle)

4.5
Average: 4.5 (4 votes)
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Satellites

5
Average: 5 (1 vote)
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mars a living planet

4.76923
Average: 4.8 (13 votes)
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Saros 136 - the eclipse of the century

4
Average: 4 (4 votes)
Certified content by COSMOS
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Небесни координатни системи

3.333335
Average: 3.3 (3 votes)
Certified content by COSMOS
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