Teachers training


Γιατί ένας δορυφόρος δεν μπορεί να ταξιδέψει χωρίς ηλεκτρισμό;

3.5
Average: 3.5 (2 votes)
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Africa Student Training in Astrophysical Research and Observation

4
Average: 4 (2 votes)
Certified content by COSMOS
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Why can’t a rocket be sent to outer space on electricity?

4.25
Average: 4.3 (4 votes)
Certified content by COSMOS
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Jupiterin havainnointi - ICT Supported Culture Awereness Learning

4
Average: 4 (2 votes)
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