Stereoscopic projection in planetarium - a fad or a long-term trend?
A brief review of various kinds of the stereoscopic projection and the consideration of their use in planetariums. Information about the instalation of the widescreen stereoscopic projection (3D) Infitec in planetarium in Ostrava (Czech Republic) in 2010. The description of the dramaturgy of shows which contain the stereoscopic projection elements. Objective benefit for a visitor and experiences gained during the two year-long functioning which are based on the questionnaire research.