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Meteoriteneinschläge - Stundenbild (Guided Research Model)

3.5
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Galaxies

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Planetary Nebulae

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Globular Clusters

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Wieviele Sterne sehen wir noch? (Link)

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Lichtverschmutzung - Stundenbild (Guided Research Model)

3
Average: 3 (1 vote)
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The Hertzsprung Russel (HR) diagram

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Color in Astronomy

3
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CDD PHOTOMETRY

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