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In this activity, learners model the gravitational fields of planets on a flexible surface.

In this space science activity, learners work together to create a human-powered orrery to model the movements of the four inner planets.

In this activity, learners mimic remote sensing. Learners use a stick to measure the distance to a "planet surface" they cannot see, and create their own map of the landscape.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.