IPA: /ˌplænəˈtɛrɪəm/
KK: /plænəˈtɛrɪəm/
A place or building where people can watch shows about stars, planets, and other space objects, often using a special dome-shaped screen.
We visited the planetarium to learn more about the universe and see a show about the stars.
Planetarium → It is formed from "planeta" (from Latin, meaning wanderer or planet) and "-arium" (meaning a place for). The word "planetarium" refers to a place for observing or studying planets.
Imagine a special place ('-arium') where you can observe 'wanderers' ('planeta') in the sky — that's what a planetarium is all about.