Orbit Tellerium. A model showing the Sun, Earth and Moon, correctly geared to show each month as the Earth orbits the Sun. The Sun is represented by bright lamp. It is particularly useful in demonstrating: Sun's apparent motion: changing length and direction of shadows during day and during season; night and day; changing length of days; seasons; phases of the Moon; eclipses of the Moon and Sun. Dimensions (L H) 650 250mm.Content includes:• Tellurium model• Stick-on model person• Model sundial• Earth axis extension• Two Earths and Moons• Date indicator• Phase of the Moon indicator• Eclipse shadow card, teaching guide• Electrical Operation: 6V transformer supplied
