noun Download 🔗Share A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling. Examples : "The planetarium was a popular field trip for the school's science class. " astronomy space architecture science entertainment place building culture Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An orrery. Examples : "The science museum displayed several planetaria, allowing visitors to see how the planets move around the sun. " astronomy space science Chat with AIVocabulary GamePractice Reading