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Basic Planetarium
Purpose
To demonstrate the sun-earth-moon spatial relationship and related concepts..
Equipment
As photographed.
Images
Description
This device illustrates how the earth's rotation causes day and night, how the earth's revolution around the sun and the tilt of its axis causes the seasons, and why the moon has phases.
References
Lecture Demonstrations Information Sheet. Lesson Plan: The Orbiter Planetariums, Hubbard Scientific, 1971.