Today's Hours: 
10am - 5pm
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm

COSI is now closed

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.

Subtitling is offered in COSI’s Planetarium for One World One Sky and Magic Tree House: Space Mission. No special reservations or advance notice is required, simply notify the Planetarium usher that you would like the subtitled version of show as you hand them your ticket. If you are planning a visit as a group you can make this request in advance.

Now Available: Planetarium Only tickets!

Starry Nights Live

Starry Night Live

This live show explores what can be seen in the sky tonight in central Ohio. Discover the current stars, constellations, planets, and deep sky objects that fill the starry night.
Best for ages 7+ | Running time: Approximately 22 minutes.

Showtimes:
Mar 17 - Mar 31: 12:15pm | 3:15pm | 5:15pm
Apr 2 - May 23: 12:15pm | 3:15pm


Asteroid: Mission Extreme

Asteroid: Mission Extreme

Asteroid: Mission Extreme takes audiences on an epic journey to discover the possibilities that asteroids present for space travel. Using stunning visuals and state-of-the-art computer graphics, the film presents the fascinating idea, based on real science, that asteroids could be used as stepping stones to other worlds, veritable “way stations” in space enabling us to cross the entire solar system. Running time: Approximately 25 minutes.

Showtimes:
Mar 17 - Mar 31: 1:15pm | 4:15pm | 6:15pm
Apr 2 - May 23: 1:15pm | 4:15pm*
*No 4:15 showing on May 19

 

Magic Treehouse

Magic Tree House: 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!
Especially for children 5-10 | Running time: Approximately 35 minutes.

Showtimes:
Apr 2 - May 23: 2:15pm

 

One World, One Sky

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.
Especially for children 2-7 | Running time: Approximately 40 minutes.

Showtimes:
Apr 2 - Apr 8: 11:15am
Apr 9 - May 1 (Wed-Sun): 11:15am
May 2 - May 23: 11:15am

 

Life: A Cosmic Story

Life: A Cosmic Story

Life: A Cosmic Story tells the 14-billion-year saga of how we came to be. It's a journey from the microscopic view inside a plant cell to the vastness of our universe populated by billions of galaxies swirling in space. How did life on Earth begin? This tantalizing question forms the basis of this magnificent production. Recommended for ages 7+. Running time: Approximately 28 minutes.

Showtimes:
May 24 - Sept 4: 1:15pm | 4:15pm


Deep Space

Deep Space Q&A
with COSI Chief Scientist and Astrophysicist: Dr. Paul Sutter

This live show lets you ask COSI’s Chief Scientist, Dr. Paul Sutter, your favorite questions about science and the universe in a dynamic Q&A format. You direct the show as the 60-foot dome in COSI’s Planetarium showcases visuals that help answer your deep questions.
Recommended for all ages | Show length: approximately 30 minutes.

Showtimes:
Apr 5, May 4, Jun 14, July 12, Aug 9 - 8:30pm (COSI After Dark 21+)

Teacher's Choice Show

Teacher's Choice Show

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. Learn More

Showtimes:
Daily: 9:00am | 9:15am | 9:30am | 9:45am

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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..