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In this activity, learners explore how distance can affect the way we perceive the size of an object.

In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

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 fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.