Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
perihelion | Yes | No | No | No |
aphelion | Yes | No | No | No |
perihelion (noun) | aphelion (noun) |
---|---|
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun | apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun |