noun🔗Share遠日点The point in the elliptical orbit of a planet, comet, etc., where it is farthest from the Sun."Earth reaches its aphelion, the point farthest from the sun, in early July. "地球は7月初旬に、太陽から最も遠い地点である遠日点に到達します。astronomyspacephysicsChat with AIVocabulary GamePractice Reading