Create the motions of the earth, sun, and moon simultaneously using the Trippensee® 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. Complete instruction book and carry handle included. Height: 14". Arm length: 16-1/2". Shipping weight: 10 lbs.

Export model requires 12V DC power supply.