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Svetlinni qvleniq

4.25
Average: 4.3 (4 votes)
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Termonuclear fusion

3.5
Average: 3.5 (2 votes)
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We Choose the Moon

4.6
Average: 4.6 (5 votes)
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The daily path of Sun

4
Average: 4 (5 votes)
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Ημερήσια διαδρομή του Ηλίου

3.666665
Average: 3.7 (3 votes)
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Ток в полупроводници, полупроводников диод

3.5
Average: 3.5 (2 votes)
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Movement of Heavenly Bodies – Earth and Moon

3.666665
Average: 3.7 (3 votes)
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mars a living planet

4.76923
Average: 4.8 (13 votes)
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physics4u

4.5
Average: 4.5 (2 votes)
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Lectionen om jorden och rymden

0
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