planetarium![click to hear](/images/speaker.jpg)
Structure where a projector is used to simulate the movement of the celestial bodies on a dome representing half of the celestial sphere.
zenith ![click to hear](/images/speaker.jpg)
Central point of the projection dome; simulates the center of the true celestial dome for an observer on the ground.
auxiliary projector ![click to hear](/images/speaker.jpg)
Apparatus used to produce special effects.
working area ![click to hear](/images/speaker.jpg)
projection dome ![click to hear](/images/speaker.jpg)
Screen representing half of the celestial dome; the aspect of the sky at different periods is projected onto the screen.
midrange ![click to hear](/images/speaker.jpg)
Loudspeaker designed to reproduce the middle frequencies of the sound signal.
auditorium ![click to hear](/images/speaker.jpg)
The planetarium’s main room, built to receive the public during a show.
control room ![click to hear](/images/speaker.jpg)
Premises containing the various control and monitoring instruments required to produce a show.
control console ![click to hear](/images/speaker.jpg)
Instrument that serves to manually execute various commands for purposes of producing a show.
planetarium projector ![click to hear](/images/speaker.jpg)
Projector that reproduces and simulates the past, present and future movement of celestial bodies.
woofer ![click to hear](/images/speaker.jpg)
Loudspeaker designed to reproduce the low frequencies of the sound signal.