One World, One Sky show in the Roger B. Chaffee Planetarium

Young audience members will be thrilled when they find themselves on Sesame Street with their famous friends, Big Bird and Elmo. The fun begins when Elmo’s friend, Hu Hu Zhu, visits from China and the three of them take the audience on an exciting journey of discovery to learn about the Sun, stars, and Big Dipper. Elmo and Hu Hu Zhu blast off on an imaginary trip to the Moon and when they return home to Earth everyone discovers that, no matter where we live, we all share the same sky.

27 minutes
Ages 8+

Planetarium Pricing:

Member – $2 per person

Combined with GRPM admission – $4 per person

Planetarium Only – $5 per person

Children 2 and younger are free, and tickets are required. 

Showtimes are subject to change. Click here to see the full schedule of planetarium shows.

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The Chaffee Planetarium upgrade was made possible through the generous support of the Wege Foundation. Additional support for the upgrade was received from the Cook Foundation, Michigan Council for Arts and Cultural Affairs, Frey Foundation, Baldwin Foundation, Rockford Construction Company, Inc., David DeBruyn, and American Seating. Thank you!​