Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
spiral nebula | Yes | No | No | No |
extragalactic nebula | Yes | No | No | No |
spiral nebula (noun) | extragalactic nebula (noun) |
---|---|
a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center | (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust |