Home›1920s introductions›planetarium projector🌐EnglishEnglishPolskiРусскийไทย中文日本語EntityQ4364435· pop 8· linked from 43 articlesplanetarium projectordevice used to project images of celestial objects onto the dome in a planetariumWikidata factsImageSchallwelle 2012 Img04 - Opening 01.jpgvia Wikidata · CC0Available in 8 languages中文РусскийKazakhPolskiWu Chinesezh_yueไทยvia Wikidata sitelinks · CC0ConnectionsGermanyCountryEarthConceptfilmCategories1920s introductionsPlanetarium projection