Prolab Scientific :: Earth...

This unique planetarium dramatically demonstrates the relationships of the Earth, Sun, Moon and Venus, all in motion simultaneously. A light in the Sun follows the revolving Earth to show solar, lunar, and annular eclipses; phases of the Moon; reasons for seasonal changes; areas of day, night, and twilight; signs of the zodiac; and other Earth, Sun, Moon, and Venus relationships.A sound investment for many years of classroom use. Separate light and motor control switches are located in the strong, nearly unbreakable base. Height: 42 cm. Arm length is 42 cm. Model may also be operated manually. A complete instruction book, Elements of Astronomy, is included. Manual.

Date of update	18-04-2008
Mfr. Code	EL-400
Manufacturer	Science First

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type: Manual

P-4400-000

$ 508.00

type: Motorized

P-4500-000

$ 1,013.00

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