Jena, July 14, 2026 – The Zeiss-Planetarium in Jena will reopen its doors to visitors tomorrow, Wednesday, July 15, following extensive modernization work. The technical equipment of the traditional facility has been comprehensively renewed and brought up to the latest standard.
- What: Reopening of the Zeiss-Planetarium after modernization
- When: Wednesday, July 15, 2026
- Where: Am Planetarium 15, 07743 Jena
- Main innovations: New projection surface, state-of-the-art projectors, optimized sound system
Following the completion of the intensive work, the planetarium shines in new splendor. The focus of the modernization was primarily on the technical components of the dome in order to offer visitors an even more realistic and immersive experience.
Technical innovations at a glance
The modernization includes significant upgrades to the presentation technology, which elevate the visual and acoustic experience to a new level:
- New projection surface: The entire dome surface has been renewed to enable a seamless and brilliant display of the starry sky.
- Modern projectors: Powerful, new projection systems ensure razor-sharp images and deeper contrasts.
- Optimized sound system: A completely new acoustic system ensures clear, room-filling sound for all shows and lectures.
There were already reports in advance about how the Zeiss-Planetarium is to be reopened after the modernization. Now, the citizens of Jena and guests can see the technical upgrades for themselves.
🏛️ History & Building: The oldest projection planetarium in the world
The Zeiss-Planetarium in Jena was opened in 1926 and is considered the oldest operational projection planetarium in the world. Designed and built by the Carl Zeiss company, the striking dome has shaped the cityscape for a century. Through regular modernizations, the historic building remains technologically at the cutting edge and attracts tens of thousands of astronomy enthusiasts every year.
Starry sky for home
With a rotating star map from Kosmos, you can easily explore the starry sky over Jena from your own terrace.
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Video: Zeiss-Planetarium in Jena is being reopened
Transparency note: This article was created automatically, editorially reviewed, and expanded with AI support.