The Star Hall of Saint Petersburg Planetarium belongs to one of the largest halls in Russia
The Planetarium was opened in 1959. It became a third planetarium after Moskovsky and Volgogradsky ones. There are 5 halls: "The star hall", "Observatory", "Space adventure", "Little planet", "Laboratory of funny experiments". Planetarium machine projects 6 thousands stars on the cupola of the star hall - 3 thousand of the nothern hemisphere and 3 thousand of the southern hemisphere, 6 star magnitudes, i.e. of those stars which can be discerned by a human eye in the real sky.
The Star Hall of Saint Petersburg Planetarium belongs to one of the largest halls in Russia. The hall's cupola is 25 m in diameter and 15 m high. It is constructed in such a way, that it cannot be seen from the external side of the building.