1 didactic hour


Закон за запазване на енергията в скейт-парка

3.75
Average: 3.8 (4 votes)
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Newton’s mistake or how to calculate the speed of light in water

4.6
Average: 4.6 (5 votes)
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Robotteknik

2.5
Average: 2.5 (2 votes)
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Maa ja Kuu ikiliikkujina

4
Average: 4 (2 votes)
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Taivaallinen ikiliikkuja

3.5
Average: 3.5 (2 votes)
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Arbeitsblatt: Sternzuordnung

0
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Day and Night

4.5
Average: 4.5 (4 votes)
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Astronomical Seeing

4.4
Average: 4.4 (5 votes)
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Appraising Astronomical Images

4.2
Average: 4.2 (5 votes)
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Sphärische Astronomie, Koordinatensysteme

3
Average: 3 (1 vote)
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