planetarium

Noun
  1. A building housing an instrument for projecting the positions of the planets onto a domed ceiling (synset 103962433)
    is a type of: building, edifice - a structure that has a roof and walls and stands more or less permanently in one place
    has: planetarium - an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
  2. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome (synset 103962217)
    is a type of: optical device - a device for producing or controlling light
    is a part of: planetarium - a building housing an instrument for projecting the positions of the planets onto a domed ceiling
  3. An apparatus or model for representing the solar systems (synset 103962085)
    is a type of: model, simulation - representation of something (sometimes on a smaller scale)
    subtypes: orrery - planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock

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