Definition:
Compare perihelion with other words:
perihelion vs. perihelium
apsis vs. perihelion
apollo vs. perihelion
periastron vs. perihelion
perigee vs. perihelion
perihelion vs. planet
comet vs. perihelion
elliptical vs. perihelion
orbit vs. perihelion
perihelion vs. point
aphelion vs. perihelion
perihelion vs. sun