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In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

In this activity, learners use binoculars (or a telescope) to identify and track sunspots. If using binoculars, learners need a pair that can be secured on a tripod.

"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.