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Does the sun rotate?

4.42857
Average: 4.4 (7 votes)
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Finding the mass of Jupiter (Hands-on Universe Series)

5
Average: 5 (2 votes)
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A black hole lurked at the center of our Galaxy !

3
Average: 3 (1 vote)
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Science4all

5
Average: 5 (1 vote)
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Science4all

0
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Η περιπέτεια των σωματιδίων

5
Average: 5 (1 vote)

Bortom det synliga

0

Beyond the Visible

0

Practical Physics Cloud Chamber Video and Comic Strip

0
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Practical Physics Cloud Chamber

0
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