planetariums
pla-ne-tar-i-ums
noun
Buildings with domed ceilings projecting images of stars, planets, and other celestial phenomena for public viewing.
"Many cities have planetariums for public education and entertainment."
pla-ne-tar-i-ums
Buildings with domed ceilings projecting images of stars, planets, and other celestial phenomena for public viewing.
"Many cities have planetariums for public education and entertainment."