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Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

In this activity, learners work together to interpret an "alien message." The group pretends that this is the only message from an imaginary civilization, so there is no "key" and thus no "correct" wa

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