| 释义 |
Circle of latitude
| (Astron.) | A great circle perpendicular to the plane of the ecliptic, passing through its poles. | | (Spherical Projection) | A small circle of the sphere whose plane is perpendicular to the axis. |
See also: Circle, Circle circle of latitude
circle of latitude[′sər·kəl əv ′lad·ə‚tüd] (astronomy) A great circle of the celestial sphere passing through the ecliptic poles, and hence perpendicular to the plane of the ecliptic. Also known as parallel of latitude. (geodesy) A meridian of the terrestrial sphere along which latitude is measured. circle of latitude i. A great circle of the celestial sphere through the ecliptic poles and, hence, perpendicular to the plane of the ecliptic.
ii. A meridian along which latitude is measured. |