perihelion – מילון אנגלי-אנגלי
perihelion
n.
closest point to the sun in the orbit of a planet or comet
Perihelion and aphelion
The
perihelion is the point in the
orbit of a
planet,
minor planet, or
comet, where it is nearest to its
sun. It is the opposite of
aphelion, which is the point in the orbit where the celestial body is farthest from its sun.
perihelion
Noun
1. periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
(antonym) aphelion
(hypernym) periapsis, point of periapsis
Perihelion
(n.)
Alt. of Perihelium
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
Perihelion
is the point of closest approach for any object orbiting the sun.
