#planetarium.optical_device  an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
  supertype:  #optical_device__opticaldevice  a device for producing or controlling light
  part of:  #planetarium.edifice  a building housing an instrument for projecting the positions of the planets onto a domed ceiling

No statement uses or specializes #planetarium.optical_device; click here to add one.


Another search (with same display options)?