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In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings.

This demonstration activity models how Venus appears from Earth.

In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

In this activity, learners build a paper model of the spacecraft and photometer (telescope) used during NASA's Kepler Mission.