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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

In this activity, learners shrink the scale of the vast solar system to the size of their neighborhood.

This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.

This is a classic exercise for visualizing the scale of the Solar System.