Sunspots Dimensions

4
Average: 4 (2 votes)
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Stars and Spectra

3
Average: 3 (2 votes)
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Solar System

3.5
Average: 3.5 (2 votes)
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Position and Rotation of Starry Sky

4.333335
Average: 4.3 (3 votes)
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Olympic Games on the Moon

3
Average: 3 (2 votes)
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Manufacturing Simple Astronomy Measuring Tools

3
Average: 3 (2 votes)
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Dunkle Materie

4
Average: 4 (2 votes)
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Cosmic Collisions

3
Average: 3 (1 vote)
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Extrasolar Planets - Lesson Plan (Project-Based Learning)

3.666665
Average: 3.7 (3 votes)
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Dark Matter - Lesson Plan (Guided Research Model)

4.5
Average: 4.5 (4 votes)
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