EntityQ6534639· pop 6· linked from 138 articlesLeuschner ObservatorySign in to saveConnectionsArmin Otto LeuschnerEntityastronomyEntityCaliforniaEntitystarEntityplanetEntityNeptuneEntityPennsylvaniaEntitylightEntityPlutoEntitycometEntitygeographic coordinate systemEntityasteroidEntityInternational Standard Book NumberEntitypaleontologyEntityinfrared radiationEntityThe New York TimesEntityorbitEntityStanford UniversityEntityextinctionEntitysupernovaEntityCategories1886 establishments in CaliforniaAstronomical observatories in CaliforniaBuildings and structures in Contra Costa County, CaliforniaLafayette, CaliforniaUniversity of California, Berkeley buildings and structures