EntityQ632629· pop 14· linked from 24 articlesArchenhold ObservatorySign in to saveobservatory in BerlinConnectionsGermanyCountryGermanEntityAlbert EinsteinPersonWorld War IIConcepteducationEntitycometEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityGerman Democratic RepublicEntitysolar eclipseEntitytelescopeEntitygeneral relativityEntityLunar eclipseConceptdigital object identifierEntityInternational Standard Serial NumberEntityGerman reunificationEntityprismEntityobservatoryEntityWest BerlinEntitynovaEntityCategoriesAstronomical observatories in GermanyBuildings and structures in Treptow-KöpenickCommons link from WikidataGreat refractorsMuseums in BerlinScience museums in GermanyWorld's fair architecture in Germany