Silesian Planetarium
Chorzów, Poland · built 1955
The Silesian Planetarium also Silesian Planetarium and Astronomical Observatory (Planetarium Śląskie Śląskie Planetarium i Obserwatorium Astronomiczne) is the largest and oldest planetarium in Poland. It was founded on 4 December 1955 to commemorate Nicolaus Copernicus. It is located in the Silesian Park, on the boundary between the Katowice and Chorzów cities in the Metropolis GZM.
Observatory data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).