noun. An apparatus or model representing the solar system.

noun. undefined

noun. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.

noun. A building or room containing a planetarium, with seats for an audience.

noun. An astronomical machine which, by the movement of its parts, represents the motions and orbits of the planets. See orrery.

noun. An orrery. See orrery.

noun. A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.

noun. An orrery.

noun. an apparatus or model for representing the solar systems

noun. an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome

noun. a building housing an instrument for projecting the positions of the planets onto a domed ceiling

"So you wonder who actually wrote that bit, when a planetarium is an excellent example of exciting science education for students, yet it's dismissed so casually more than once."

building  edifice  optical device  

aquarium  barium  herbarium  honorarium  

black-light  blue light  catfish  contra-gravity  daguerreotype  

Cassegrainian telescope  Newtonian telescope  OAO  OSO  astronomical observatory  

orrery  planetaria