Activities: Models
Lisa Pathfinder paper model
دشواری: ★
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Hubble Space paper model
دشواری: ★
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Alma transporter paper model
دشواری: ★
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Scale Models
دشواری: ★
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The Sun above and below the local horizon
دشواری: ★
Black hole
دشواری: ★
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Path of the North pole
دشواری: ★
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Teaching the origin of seasons
دشواری: ★
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دشواری: ★
Sunrise and sunset position change
دشواری: ★
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Solar Motion Demonstrator
دشواری: ★
Telescope Allocation Committee
دشواری: ★
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