Program · STEM & discovery

COSI Planetarium: Astra and Sirius

When

Recurring / by appointmentPlaying through November 21, 2026 at 10:30am, 11:15am, 12:00pm and 12:45pm

Where

COSI Planetarium333 West Broad St., Columbus, OH 43215Open in Google Maps ↗

Ages

Check age guidance

Cost

Included with COSI General Admission.

Organizer

COSI

Planetarium show in which a curious little girl, Astra, and her friend Sirius travel into space, answering questions about the Universe, exploring the night sky's famous constellations and visiting solar system objects up close. Shown in Ohio's largest planetarium (Digistar 7, 60-foot dome). Seating first-come, first-served; showtimes subject to change (check the COSI app). Afternoon show Moonbase: The Next Step plays 1:30-6:00 p.m. in the same period.