"Science First"

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Where are we in Space and Time? Activity Book

Learn about space, time, and the universe with this educational activity book.

This device shows how the sun's appearance changes over a period of one month.

Seasonal changes, the positions of sunrise and sunset and the special circumstances of solstices and equinoxes are easily demonstrated and examined.

Students will calculate the relationship between the apparent brightness of a luminous object and the distance to the object.

A complete set for 10 students to study the stars and space.

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