The Zeiss-Planetarium in Jena, Germany, is the oldest continuously operating planetarium in the world.
Engineered by German engineer Walther Bauersfeld, the building was opened on 18 July 1926.[1]
The Zeiss-Planetarium is a projection planetarium; the planets and fixed stars are projected onto the inner surface of a white cupola.
It is owned and operated by the Ernst-Abbe-Stiftung.[2]
[ ⚑ ] 50°55′54″N 11°35′13″E / 50.93167°N 11.58694°E
Original source: https://en.wikipedia.org/wiki/Zeiss-Planetarium Jena.
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