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physical phenomena > event > celestial event > periodic celestial event > orbital event > Sun orbital event > perihelion

perihelion comparison table

Subject	has definition	is a kind of	is an instance of	has antonym
Sun orbital event		orbital event
perihelion	The point in the orbit of an object orbiting the Sun where it is closest to the Sun's center of mass. Earth's perihelion occurs early in January.		Sun orbital event	aphelion

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