Definition, Meaning & Synonyms

planetarium

noun

/plæ.nəˈtɛr.i.əm/

Definition

A planetarium is a theater built primarily for presenting educational and entertaining shows about astronomy and the night sky, often using a projector to display stars and celestial events.

Examples

The local planetarium offers shows that explain the constellations visible in the night sky.
During the field trip, the students enjoyed an interactive presentation at the planetarium.
She plans to visit the planetarium to learn more about black holes and galaxies.

Meaning

In a broader sense, a planetarium serves as an educational facility that helps people understand space and the universe through interactive exhibits and presentations.