EntityQ4364435· pop 8· linked from 43 articlesplanetarium projectorSign in to savedevice used to project images of celestial objects onto the dome in a planetariumConnectionsGermanyCountryEarthConceptfilmEntityMilky WayEntitycometEntitymercuryEntityGerman Democratic RepublicEntityconstellationEntityhorizonEntitylaserEntitycardinal directionEntitynebulaEntityBetelgeuseEntityRigelEntityAntaresEntityplanetariumEntityvariable starEntityAlgolEntitySpicaEntityMiraEntityCategories1920s introductionsPlanetarium projection