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This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System.

"Exploring the Universe: Objects in Motion" encourages participants to explore the complex but predictable ways objects in the universe interact with each other.

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

In this activity, learners build a scale model of the solar system using a roll of toilet paper.

In this activity, learners work in teams to investigate the composition of unseen materials using a variety of tools.

In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater.