Trippensee Planetarium

Trippensee Planetarium

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Product Description

Create the motions of the earth, sun, and moon simultaneously using the TrippenseeĀ® planetarium. Move the arm to dramatically demonstrate these relationships. The light in the sun follows the revolving earth to show solar, lunar, and annular eclipses; phases of the moon; seasonal changes; night and day; and twilight.

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