Quick Answer: The Orbit Tellurium 2 is a teaching model of the Sun, Earth and Moon, geared to show each month as the Earth orbits the Sun, and measures 65 cm long by 25 cm high.
Last updated: October 2026
Key Features
Rotating the model makes the Earth orbit the Sun, the Moon orbit the Earth and the Earth spin on its axis
Light from the Sun shines onto the Earth to model night and day, seasons, eclipses and shadows
Small-scale Earth and Moon on an inclined orbit for the phases of the Moon
Two sizes of Earth and Moon, stick-on model person and sundial
Date, eclipse and phase of the moon indicator cards, with accessory tidy
Power transformer and teacher guide with suggested activities included
Technical Specifications
Specification
Value
Length
65 cm
Height
25 cm
Power
Transformer included
About This Product
Working on a large scale, the tellurium shows the relative movements of the Sun, Earth and Moon so that pupils can understand day and night, the changing length and direction of shadows, the seasons, the phases of the Moon and eclipses of the Sun and Moon. Teacher's notes are written for the non-specialist, and other subjects to study include sundials and shadow sticks, the changing length of daylight, the crescent moon from different latitudes, and lunar months and festivals linked to the Moon.
Frequently Asked Questions
Q1. Can the model show why eclipses do not happen every month? Yes. The small-scale Earth and Moon sit on an inclined orbit, which gives an accurate demonstration of the phases of the Moon and shows why eclipses do not happen every month.
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