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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

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

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.

Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.