The Zeiss-Planetarium in Jena, Germany is the oldest continuously operating planetarium in the world. It was opened on July 18, 1926. The Zeiss-Planetarium is a projection planetarium. The planets and fixed stars are projected onto the inner surface of a white cupola.
The Zeiss-Planetarium is owned and operated by the Ernst-Abbe-Stiftung.
It was engineered by German engineer Walther Bauersfeld.
Wikipedia https://en.wikipedia.org/wiki/Planetarium_Jena
Official Website http://www.planetarium-jena.de/
Facebook https://www.facebook.com/planetariumjena
Phone +49 3641 885 488
Coordinates 50°55'54.65" N 11°35'12.326" E