Guided research


Μετρώντας την περιφέρεια της Γης

0
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Planetary Calculator

3.666665
Average: 3.7 (3 votes)
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Sunspot animation

0
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Orbits of Jupiter Moons

4
Average: 4 (2 votes)
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Tracking Jupiter Moons

5
Average: 5 (1 vote)
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Finding the mass of Jupiter (Hands-on Universe Series)

5
Average: 5 (2 votes)
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Sun4all Guidebook

4.75
Average: 4.8 (4 votes)
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How Light Pollution Affects the Stars

5
Average: 5 (6 votes)
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Constellation at Your Fingertips-Crux

5
Average: 5 (4 votes)
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Constellation at Your Fingertips-Leo

4.75
Average: 4.8 (4 votes)
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