PLANETARIUM
Planetarium
A planetarium is a theatre built primarily for presenting educational and entertaining shows about astronomy and the night sky, or for training in celestial navigation. A dominant feature of most planetaria is the large dome-shaped projection screen onto which scenes of stars, planets and other celestial objects can be made to appear and move realistically to simulate the complex 'motions of the heavens'. The celestial scenes can be created using a wide variety of technologies, for example precision-engineered 'star balls' that combine optical and electro-mechanical technology, slide projector, video and fulldome projector systems, and lasers. Whatever ...The above text is a snippet from Wikipedia: Planetarium
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planetarium
Noun
- A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
- An orrery.
The above text is a snippet from Wiktionary: planetarium
and as such is available under the Creative Commons Attribution/Share-Alike License.