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Planetarium   /plˌænətˈɛriəm/   Listen
Planetarium

noun
(pl. planetariums, planetaria)
1.
A building housing an instrument for projecting the positions of the planets onto a domed ceiling.
2.
An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
3.
An apparatus or model for representing the solar systems.





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Words linked to "Planetarium" :   orrery, edifice, model, optical device, simulation, building


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