Question

what ja a planetarium ​

Answer 1

Question :- what is planetarium?

Answer :- A planetarium is a building with a curved ceiling that represent sky at night.

It is a theatre built primarily for presenting educational shows about astronomy.

Answer 2

Hey mate here is your answer...

Planetarium is a building with a curved ceiling that represents the sky at night. It is used for showing the positions and movements of planets and stars for education and entertainment...

Hope it will help you..