Central meridian

Central meridian may mean:

Central meridian (planets), the meridian that goes through the centre of the body's disc as seen from the point of view of the observer
Central meridian (map projections), a line used to define the origin of some map projections

See also

Prime meridian, any of many central meridians used to define the origin of terrestrial or planetary longitudes
Principal meridian, a meridian used for survey control in a large region.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.