| 释义 |
Examples:lunar apogee (point in the moon's orbit furthest from earth)—diameter of the moon's orbit—aphelion, the furthest point of a planet in elliptic orbit the sun—circular orbit (in astronomy and in astronautics)—the intersection of the Moon's orbit with the ecliptic in Vedic astronomy (Sanskrit rahu)—intersection of the ecliptic with the moon's orbit plane—imaginary heavenly body occupying the second focus of the moon's elliptic orbit—perihelion, the nearest point of a planet in elliptic orbit the sun— |