planetarium
noun
plan·e·tar·i·um
ˌpla-nə-ˈter-ē-əm 
plural planetariums or planetaria
ˌpla-nə-ˈter-ē-ə
1
: a model or representation of the solar system
2
a
: an optical device for projecting various celestial images and effects
b
: a building or room housing such a projector
Examples of planetarium in a Sentence
Recent Examples on the Web
For the most accurate location-specific information, consult online planetariums like SkySafari Pro, Stellarium and The Sky Live.
—
Jamie Carter, Forbes, 4 Nov. 2024
Visitors can see the Flandrau's science exhibits from 10 a.m. to 2 p.m. for $5, followed by special planetarium shows for $5 per ticket.
—Tiffany Acosta, The Arizona Republic, 29 Mar. 2024
Following the conversations, there was an event for children of all ages involving an indoor planetarium that spoke of the night sky and about the challenges of a flight to Mars.
—Tom Teicholz, Forbes, 22 Oct. 2024
But no one should deny anyone doing a show at Sphere their chance to turn it into a planetarium.
—Chris Willman, Variety, 21 Sep. 2024
See all Example Sentences for planetarium 
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Jamie Carter, Forbes, 4 Nov. 2024
Visitors can see the Flandrau's science exhibits from 10 a.m. to 2 p.m. for $5, followed by special planetarium shows for $5 per ticket.
—Tiffany Acosta, The Arizona Republic, 29 Mar. 2024
Following the conversations, there was an event for children of all ages involving an indoor planetarium that spoke of the night sky and about the challenges of a flight to Mars.
—Tom Teicholz, Forbes, 22 Oct. 2024
But no one should deny anyone doing a show at Sphere their chance to turn it into a planetarium.
—Chris Willman, Variety, 21 Sep. 2024
See all Example Sentences for planetarium
Dictionary Entries Near planetarium
Cite this Entry
“Planetarium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetarium. Accessed 1 Dec. 2024.
Copy CitationKids Definition
planetarium
noun
plan·e·tar·i·um
ˌplan-ə-ˈter-ē-əm
plural planetariums or planetaria
-ē-ə
1
: a device that projects images of heavenly bodies on a ceiling shaped like a dome
2
: a building or room housing a planetarium
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