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Online-Quiz zu Johannes Kepler

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Which one can rise higher, a toy balloon or a hot air balloon?

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Εκτίμηση Αστρονομικών Εικόνων

4
Average: 4 (3 votes)
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Σκοτεινή Ύλη

3.5
Average: 3.5 (2 votes)
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Δορυφόροι

3.333335
Average: 3.3 (3 votes)
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Kuuhyppelyn simulaatio Heurekassa

4
Average: 4 (3 votes)
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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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Internet Rallye - Galileo Galilei (Angabeblatt)

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Der Mann, der auf dem Mond war!

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