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