Prime meridian

From annawiki
Revision as of 2014-03-29T12:04:17 by Tobiasco (talk | contribs) (Created page with "A '''prime meridian''' is a meridian at which longitude is defined to be 0°.")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

A prime meridian is a meridian at which longitude is defined to be 0°.