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“perihelion”
perihelion (s), perihelia (pl); perihelial
1. The point in the orbit of a planet or comet at which it is nearest to the sun.
2. The point nearest the sun in the orbit of a planet or other celestial body.
2. The point nearest the sun in the orbit of a planet or other celestial body.
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“perihelion”
perihelion
1. The point in its orbit where a planet is closest to the sun.
2. The point in the orbit of a planet, comet, or other celestial body, at which it passes closest to the sun.
2. The point in the orbit of a planet, comet, or other celestial body, at which it passes closest to the sun.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 18)