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
The award-winning North to Alaska program offers a planetarium experience showcasing the Northern Lights, along with local storytellers, Alaskan seafood dining, glacier tours and shore excursions, connecting travelers to the heart of Alaska’s cultural and natural wonders.
—
Laura Begley Bloom, Forbes, 31 Oct. 2024
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
See all Example Sentences for planetarium 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Laura Begley Bloom, Forbes, 31 Oct. 2024
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
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 15 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share