The new COSI Planetarium—the largest in Ohio—features state-of-the-art digital technology that offers an unsurpassed glimpse of our incredible universe. The COSI Planetarium’s new Digistar 5 projection system and 60-foot dome will transport you to the farthest reaches of the galaxy, to undersea volcanoes and distant lands, and even into the human body. For all who wonder, who question, who dream, your window to the universe is now open at COSI.


Our Universe Above

Our Universe Above

Presented LIVE by the COSI Team, this seasonal tour of the universe is a modern planetarium show in the classic tradition of stargazing, filled with stars, planets, constellations, current science news and audience interaction. Running time: Approximately 40 minutes. COSI admission or Membership required for all Planetarium shows.

Showtimes:
Jan 3 - April 3: 12:45pm, 2:45pm

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The Sky Tonight
One World, One Sky: Big Bird's Adventure

Explore the night sky with your favorite friends from Sesame Street! Follow along with Big Bird, Elmo and their friend from China, Hu Hu Zhu, as they take you on a journey of discovery to learn about the Big Dipper, the North Star, the Sun and the Moon. Running time: Approximately 40 minutes. COSI admission or Membership required for all Planetarium shows.

Showtimes:
Jan 6 - April 3: 11:45am

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Magic Treehouse
Magic Treehouse: Space Mission

Travel with the brother-sister duo, Jack and Annie, in their Magic Tree House as they discover a note that asks them to answer a series of six questions about space. With the help of an astronomer, the Internet, an astronaut, books, and the writer of a mysterious note, Jack and Annie are taken on a wondrous journey of adventure and learning. This exciting voyage will carry visitors to the planets and far out into the Universe where Jack and Annie nearly get… Well, we don’t want to give it away. The adventure is just beginning! Running time: Approximately 35 minutes. COSI admission or Membership required for all Planetarium shows.

Showtimes:
Jan 6 - March 18: 1:45pm

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Black Holes: The Other Side of Infinity
Black Holes: The Other Side of Infinity

Among the most mysterious and exotic objects in the Universe, black holes tantalize everyone who learns about them. These dark beasts are one of a few phenomena out in the cosmos where the known laws of physics and general relativity break down. "Black Holes: The Other Side of Infinity" explores the power and grace of these cosmic beasts. Running time: Approximately 30 minutes. COSI admission or Membership required for all Planetarium shows.

Showtimes:
Jan 6 - Feb 28: 10:45am, 3:45pm

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Spacepark 360
Space Park 360

SpacePark360 is a set of fulldome movies designed to recreate the experience of amusement park thrill rides - roller coasters, pendulums, inverters and more. Seen from the rider's perspective, SpacePark360 takes the state-of-the-art technologies of fulldome systems and combines them with heart pounding thrill rides to create a unique entertainment show never seen before on the dome. From the tops of Jupiter's clouds to the icy depths of Neptune's moon Triton, each location serves to heighten the thrilling experience. Running time: Approximately 38 minutes. COSI admission or Membership required for all Planetarium shows.

Showtimes:
March 2 - April 3: 10:45am, 3:45pm

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Teacher's Choice Shows
Teacher's Choice Shows

See the shows of your choice during your field trip or group visit, including Cell! Cell! Cell!, Black Holes: The Other Side of Infinity, Our Solar System, Back to the Moon for Good, Wildest Weather in the Solar System, One World One Sky: Big Bird's Adventure, and Our Universe Above. COSI admission or Membership required for all Planetarium shows.

Showtimes:
Wednesday - Friday: 9:00am

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Photos
Rent It Host your wedding, party, or private event under swirling galaxies and spectacular starscapes, no matter what the weather outside. The COSI Planetarium is available for weddings, birthday parties, corporate events, and family reunions, and offers customized starshows and seating for over 200 guests. For private rentals, please contact the This email address is being protected from spambots. You need JavaScript enabled to view it.. For birthday parties, please contact the This email address is being protected from spambots. You need JavaScript enabled to view it..