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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

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.

In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes.