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In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

This fun and simple hands-on astronomy activity describes techniques scientists use to find planets orbiting other stars.

In this space science activity, learners explore transits and the conditions when a transit may be seen.

In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.