Free!

Doors Open Saturdays, September 28, September 29 Free Join us for Doors Open Milwaukee! We will offer free 20-minute–long stargazing shows inside the planetarium every 45 minutes. Shows will be at 1:00 pm, 1:45 pm, 2:30 pm, 3:15 pm, and 4:00 pm.No advance registration is required. Check in at the ticket table any time during the event to reserve your free spot for a planetarium show.