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planetariumclick to hear

Structure where a projector is used to simulate the movement of the celestial bodies on a dome representing half of the celestial sphere.
planetarium zenith auxiliary projector tweeter working area projection dome midrange auditorium control room control console planetarium projector woofer

zenith click to hear

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

Apparatus used to produce special effects.

tweeter click to hear

Loudspeaker designed to reproduce the high frequencies of the sound signal.

working area click to hear

projection dome click to hear

Screen representing half of the celestial dome; the aspect of the sky at different periods is projected onto the screen.

midrange click to hear

Loudspeaker designed to reproduce the middle frequencies of the sound signal.

auditorium click to hear

The planetarium’s main room, built to receive the public during a show.

control room click to hear

Premises containing the various control and monitoring instruments required to produce a show.

control console click to hear

Instrument that serves to manually execute various commands for purposes of producing a show.

planetarium projector click to hear

Projector that reproduces and simulates the past, present and future movement of celestial bodies.

woofer click to hear

Loudspeaker designed to reproduce the low frequencies of the sound signal.