Difference between revisions of "Prime Meridian"
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Revision as of 09:38, 14 June 2012
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Prime Meridian
1. The meridian of
longitude 0 degrees, used as the origin for measurement of longitude.
The meridian of Greenwich, England, is almost universally used for this
purpose.
2. Any meridian in any coordinate
system used as an origin for measurement of longitude.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
