The Silesian Planetarium also Silesian Planetarium and Astronomical Observatory 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.
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Official Website http://planetarium.edu.pl/
Coordinates 50°17'26.685" N 18°59'33.836" E