aphelion

剑桥词典

the point in an object's orbit (= a curved path in space around a planet or star ) around the sun at which the object is furthest from the sun
遠日點（與太陽相距最遠的點）
On 6 July this year , we will be at aphelion. 今年的7月6日，我們將処於遠日點。

反義詞

perihelion 返回 aphelion