You searched for: “terrasphere
terrasphere, tellurion
An apparatus showing how the movement of the earth on its axis and around the sun creates the seasons, and day and night.

A tellurion is a model that shows how day and night and the seasons result from the earth's orbit and its tilted axis in relation to the sun.

This entry is located in the following unit: sphero-, spher-, -sphere- (page 16)