The Zeiss-Planetarium in Jena, Germany is the oldest continuously operating planetarium in the world. It was opened on July 18, 1926.
Ernst Karl Abbe, Alman fizikçi ve sanayici.
Carl Zeiss, optik malzemeler üreten Alman iş adamı. 1846'da Almanya'nın Jena kentinde bilimsel aletler yapan küçük bir atölye açtı.
The Botanischer Garten Jena is the second oldest botanical garden in Germany, maintained by the University of Jena and located at…
The Johannistor is the only remaining preserved city gate of the city of Jena, Thuringia, Germany.
The Seven Wonders of Jena are seven attractions associated historically with the Thuringian university town Jena.
