🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусский中文日本語EntityQ186244· pop 18· linked from 203 articlesLeiden ObservatoryAstronomical institute of Leiden UniversityConnectionsEuropeEntityNetherlandsConceptAlbert EinsteinCategories1633 establishments in the Dutch RepublicAstronomical observatories in the NetherlandsAstronomy institutes and departmentsAstronomy in the Dutch RepublicBuildings and structures in LeidenIncomplete lists from August 2014Leiden UniversityScience and technology in the Dutch Republic