planetarium
pronunciation
How to pronounce planetarium in British English:
UK [ˌplænɪˈteəriəm]
How to pronounce planetarium in American English:
US [ˌplænɪˈteriəm]
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- Noun:
- a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- an apparatus or model for representing the solar systems
Word Origin
- planetarium (n.)
- 1734, "orrery," Modern Latin, from Late Latin planeta (see planet) + Latin -arium "a place for." Sense of "device for projecting the night sky onto the interior of a dome" is attested from 1929.
Example
- 1. Johns hopkins and adler planetarium researchers took the prize for informational posters .
- 2. And the cambodians have actually controlled the hayden planetarium from their high school .
- 3. The portable planetarium gave students a chance to view mars , constellations and the milky way galaxy .
- 4. We 're actually sharing tours of the universe with the first sub-saharan planetarium in ghana as well as new libraries that have been built in the ghettos in columbia and a high school in cambodia .
- 5. Aristotle thought the stars were all exactly the same distance away , stuck to a dark shell that surrounded the earth like the dome of a planetarium .