A planetarium projector, also known as a star projector, is a device used to project images of celestial objects onto the dome in a planetarium.
A Zeiss Universarium Mark IX starball projector
Zeiss-Jena Universal Projection Planetarium Type 23/6 1 - Constellation Figure Projector (North) 2 - Star Globe (North) 3 - Mechanical shutter of star field projector 4 - Milky Way projector (North) 5 - Planetary projectors (North) 6 - Lattice ring for Sun, Moon and Vertical circle projectors 7 - Horizon circle projector 8 - Planetary projectors (South) 9 - Star Globe (South) 10 - Compass point projector
A Konica Minolta Infinium projection system at the Osaka Science Museum, with a starball in the back and the auxiliary projectors for planets in the front. These projectors are complemented by a Virtualium II digital projection system.
A planetarium is a theatre built primarily for presenting educational and entertaining shows about astronomy and the night sky, or for training in celestial navigation.
Inside a planetarium projection hall. (Belgrade Planetarium, Serbia)
Inside the same hall during projection. (Belgrade Planetarium, Serbia)
The Mark I projector installed in the Deutsches Museum in 1923 was the world's first planetarium projector.
Opened in 1955, the Surveyor Germán Barbato Municipal Planetarium in Montevideo, Uruguay, is the oldest planetarium in Latin America and the southern hemisphere.
