Easy


Tähden väri

3
Average: 3 (1 vote)
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Paino Kuussa

1.5
Average: 1.5 (2 votes)
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Tahden elinkaari (Space Flights)

3
Average: 3 (1 vote)
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Day and Night simulation animations

3
Average: 3 (1 vote)
Certified content by COSMOS
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Doppler-Effekt (Physlet)

0
Certified content by COSMOS
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Newtonian telescope-schematic

0
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Telescope - schematic

0
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Telscopes - Pictures

0
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Linsen - Bildkonstruktion

0
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Fernrohre - Animationen

0
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