Learn about orbits in our solar system by creating a simple, all-ages model.

Part of the beauty of Calder’s mobiles is the serenity in the balance of each of the metal shapes. The visual harmony of his sculptures is the result of both Calder’s artistic vision and a basic geometric property of any object—center of gravity. Let’s use the property of center of gravity to create our own mobile like Alexander Calder!

Missed our June 7th Super Stellar Friday? Here’s a recap of what visitors learned from our sneak peek of Chasing the Moon, a new PBS documentary coming out in July!