Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Oort cloud | Yes | No | No | No |
uranology | Yes | No | No | No |
Oort cloud (noun) | uranology (noun) |
---|---|
(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun | the branch of physics that studies celestial bodies and the universe as a whole |