Astronomy Answers: From the Astronomical Dictionary

Astronomy Answers
From the Astronomical Dictionary

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The description of the word you requested from the astronomical dictionary is given below.

the aphelion

apo = [Latin] from, Helios = [Greek] Sun

The aphelion is the point in an orbit around the Sun that is furthest from the Sun. The opposite point is called perihelion. The generic word for the furthest point in an orbit around some other object is apofocus.