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| physical phenomena > event > celestial event > periodic celestial event > orbital event > Sun orbital event > aphelion | 
| aphelion comparison table | ||||
| Subject | has definition | is a kind of | is an instance of | has antonym | 
|---|---|---|---|---|
| Sun orbital event | orbital event | |||
| aphelion | The point in a planetary orbit that is at the greatest distance from the Sun. | Sun orbital event | perihelion | 
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