| 释义 |
heliographic latitude heliographic latitude The angular distance from the Sun's equator, measured north or south along the meridian. The position of a point on the Sun's disk may be defined in terms of this and its heliographic longitude.heliographic latitude[‚hē·lē·ə′graf·ik ′lad·ə‚tüd] (astronomy) On the sun, angular distance north or south of its equator. |