Skip to main content

big sun small moon

Exploring the Solar System: Big Sun, Small Moon

"Exploring the Solar System: Big Sun, Small Moon" is a hands-on activity that explores the concept of apparent size and allows visitors to experience this phenomena using familiar objects—a tennis ball and a beach ball. Participants learn that the Sun...

Space and Earth Informal STEM Education Project
Explore Science: Earth & Space toolkit


Learn about upcoming opportunities, events, ways to grow professionally, and inspiring stories from network partners.