Located in the Museum of Natural History in Roger Williams Park, the Planetarium is a dome theater with a Zeiss projector that casts images of stars, planets and constellations to simulate the night sky. There are other offerings during certain Monday holidays and school vacation weeks. Planetarium show tickets must be purchased online. Planetarium Information Planetarium showtimes are Saturdays and Sundays at 2pm. Show lasts approximately 30 minutes. The Planetarium is only open during showtime. Private Planetarium shows and field trip programs are available during hours of operation. Please contact the Museum to learn more. Planetarium show tickets must be purchased online. Please plan to arrive at least 15 minutes prior to the show start time to check-in for the Planetarium show. For safety reasons, Planetarium show ticketholders are not permitted to enter the Planetarium once the show has begun. Children must be age 4 and older to enter the Planetarium. Children age 15 and younger must be accompanied by an adult. Online Ticketing for Museum Admission and Planetarium Show
