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International Day of Light at Flandrau Science Center & Planetarium

May 21, 2023 @ 1:00 pm - 5:00 pm


Enjoy free planetarium programs and optics activities for families, teachers, and science enthusiasts of all ages!

Enjoy a free planetarium show (2PM) and a free public presentation on the James Webb Space Telescope (3:30PM). If you want to visit Flandrau science exhibits, regular admission applies ($8 to $12).

The International Day of Light is a UNESCO global initiative to celebrate light and the role it plays in science, culture and art, education, and sustainable development and in fields as diverse as medicine, communications, astronomy, and clean energy. May 16 marks the anniversary of the first successful operation of the laser in 1960 by physicist and engineer, Theodore Maiman. 

Optics and photonics are the science and engineering of light used everywhere, every day. On May 21, explore and discover the world of optics and Arizona’s world leaders in the science of light!

Attention teachers and students: This event is a great learning opportunity! Students attending can receive a "Certificate of Attendance" to provide to their teachers wishing to award credit. Ask for your certificate at the Optics Valley table!


May 21, 2023
1:00 pm - 5:00 pm


Flandrau Science Center & Planetarium
1601 E. University Blvd
Tucson, AZ 85721
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