Scientists detected exoplanets by measuring how the brightness of stars changed over time. Young astronomers interpret and analyze the same data that led to exoplanet discoveries. They learn to apply light curve graphs and connect the...

Your class will watch as one child orbits the sun as Earth, while another orbits as Mars. If the timing is right, they will see the repetitive dance between the two planets and discover how often they are opposite from each other. For...

Discover the change of the seasons by modeling the Earth-Sun system. Learners model the orbit of the Earth around the sun and explore how and why the patterns of winter and summer occur.