aphelion
noun [ C or U ] physics specialized uk/æfˈiː.li.ən/ us/æfˈiː.li.ən/ aphelia /æfˈiː.li.ə/ /æfˈiː.li.ə/
远日点（与太阳相距最远的点）
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
On 6 July this year, we will be at aphelion. 今年的7月6日，我们将处于远日点。
Opposite: perihelion