The Centennial of the Planetarium
2023 is a special year – the planetarium will be 100 years old.
In 1923, a team from the Carl Zeiss company completed the first planetarium based on optical-mechanical light projection in Jena, Germany.
Celebrate with us at planetarium100.org
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Get involved, connect, make a difference
We are educators in planetariums, science centers and museums. We’re brought together by a love of exploration, astronomy, STEM education and a desire to learn, share and discover.
Each year, we gather to share skills, explore new technologies, investigate concepts, and innovations for the planetarium. Together we improve the quality of space science education.