9 Optical machines and apparatus, namely, planetarium entertainment system comprising projectors and audio speakers, planetarium projectors, projection screens, projection screens for movie films, projector lamps, slide projectors, video projectors, and picture projectors; photographic apparatus and instruments, namely, photographic projectors; cinematographic machines and apparatus; Telecommunication machines and apparatus, namely, multimedia projectors; electronic machines, apparatus and their parts, namely, projectors, computer displays and external three-dimensional (3D) infrared (IR) emitters used with projectors to extend the visual and audio distance for 3D images; downloadable computer programs and software, namely, software for the retrieval, organization, manipulation, management, and control of data and information for use in the field of astronomy; downloadable music files; downloadable video files containing instructional and educational materials, images, and music on the subject of astronomy; downloadable electronic publications in the nature of books, activity books, guides, magazines, articles, pamphlets, brochures, and newsletters on the subject of astronomy