Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
astronomy | Yes | No | No | No |
red shift | Yes | No | No | No |
astronomy (noun) | red shift (noun) |
---|---|
the branch of physics that studies celestial bodies and the universe as a whole | (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding |