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“perihelia”
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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“perihelia”
The point in a planet's orbit that is is closest to the Sun: A perihelion is the exact position 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)