Public Shows

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Tickets are required for all planetarium and live animal programs. Observatory activities are included with admission.

The Institute of Science offers planetarium programs daily through Sunday, September 4.

This schedule is valid July 8 - September 4, 2016.

(except Sunday)
One World, One Sky: Big Bird’s Adventure
Cosmic Colors
Michigan Sky Tonight
Young Stargazers Sky Journey
(except Sunday)
Michigan Sky Tonight
Ages 6 & Above Only
First Friday Only
Michigan Sky Tonight
Cosmic Colors
Michigan Sky Tonight

These shows are for general admission visitors. School groups and other groups may attend regularly scheduled public astronomy or entertainment shows, but are limited to 35 people per program. Private astronomy or entertainment shows for up to 75 people can be scheduled weekday mornings and afternoons throughout the school year. Further information is available on our For Teachers Web page.


  • Programs begin promptly. We suggest you arrive an hour before showtime. Always leave yourself enough time to park the car, purchase tickets, check your coats and strollers, visit the restrooms, etc.
  • Planetariums are not like movie theaters. Planetariums are too dark to allow audience members to come and go as they please (it is dangerous and disruptive). Latecomers will not be admitted.
  • Visit the restrooms before the program begins. Once the lights go down, visitors can leave, but are not permitted to reenter (see above).
  • Planetariums are great places for kids, but to recreate a nighttime environment the planetarium theater has to be dark. Note that strollers are not permitted.
  • Please turn off cell phones, beepers and other noisy electronic or light emitting devices while inside the theater.
  • No children under the age of 16 are permitted in the planetarium unless accompanied by a parent or guardian.
  • Note: food and drink are not permitted in the planetarium.


The observatory is open every Friday/Saturday from 8:30 - 10pm during daylight savings and 7:30 - 10pm during standard time.  It is also open the first Sunday of the month from 1 - 4pm for safe viewing of the sun.  Observatory hours are subject to change based upon the current or expected weather conditions.  For specific information about observatory hours, please call ahead at 248 645.3200, and press 0.

The Sun & Moon


Solar Activity

Will the sky by clear?
Below is a link to an indicator that attempts to show at a glance when, in the next 48 hours, clear and dark skies are expected for Cranbrook Institute of Science.

The forecast data comes from a numerical weather model run by Canadian Meteorological Centre.

Click on the link then read from left to right. Locate a column of blue blocks. That is when the sky will likely to be clear and dark.

Cranbrook Institute of Science Clear Sky Clock

Tour the Bat Zone

September - June

  • Saturday 12:30 and 2:30pm
  • Sunday 1:30 and 2:30pm

July - August

  • Monday - Saturday 12:30 and 2:30pm
  • Sunday 1:30 and 2:30pm

Summer Bat Walks

Join us on Friday nights all summer long as we look for bats on the beautiful grounds of Cranbrook. Watch bats dip and dive over ponds, see bats fly through the sky and listen to echolocation with sophisticated bat detectors.

Tickets are available at the Cranbrook Institute of Science front desk for $5 ($4 Institute Members) plus museum admission.

June 17, 9:00pm
June 24, 9:00pm
July 1, 9:00pm
July 8, 9:00pm
July 15, 9:00pm
July 22, 9:00pm
July 29, 9:00pm
August 5, 8:30pm
August 12, 8:30pm
August 19, 8:00pm
August 26, 8:00pm