近日点距離
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Meanings
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perihelion distance
Technical term in astronomy; the distance between a celestial body and the Sun at its closest approach.
The perihelion distance of this comet is about 0.5 astronomical units.
perihelion distance
Technical term in astronomy; the distance between a celestial body and the Sun at its closest approach.
The perihelion distance of this comet is about 0.5 astronomical units.