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When
10 a.m. – 5 p.m., Dec. 13, 2025
50th Anniversary Free Day
December 13 marks 50 years of discovery for Flandrau Science Center & Planetarium! Celebrate with us by enjoying a day at Flandrau free of charge. Learn about cosmic chemistry, the stars, the sky, and more with our We Are Stars and Tucson Sky & Beyond planetarium shows. These shows will be playing routinely throughout the day with tickets available for pick-up in person.
All ticket holders will be able to visit our Science Exhibits throughout the evening, From 10AM to 5PM. Explore our vast and fascinating universe through two floors of exhibits covering marine life, planetary science, insects, and more!