🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsSvenskaTürkçeРусскийفارسی한국어中文日本語EntityQ698950· pop 26· linked from 88 articlesBerlin Observatoryastronomical observatoryOn the mapAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoBahasa IndonesiaBelarusianCatalanConnectionsrings of SaturnEntityBabelsbergEntityCategories1835 establishments in the German ConfederationAstronomical observatories in GermanyBuildings and structures completed in 1835Buildings and structures in BerlinFrederick William III of Prussia