Recommended for astronomy and earth science at the junior high school through college level.
With the celestial sphere, students are able to model the apparent daily motions of the stars and the sun for a variety of latitudes and for any day of the year. The activity includes data that the students can use to see that the seasons are not caused by the distance between the earth and the sun.

Can be purchased in a bulk rate pack of 10 see part number 654-0030