The first prime meridian was set by Eratosthenes in 200 BCE. This prime meridian was used to provide measurement of the earth, but had many problems because of the lack of latitude measurement. … See more

Because of a growing international economy, there was a demand for a set international prime meridian to make it easier for worldwide … See more

It was in the best interests of the nations to agree to one standard meridian to benefit their fast growing economy and production. The … See more

The true meridian is the chord that goes from one pole to the other, passing through the observer, and is contrasted with the magnetic meridian, which goes through the magnetic … See more

The term meridian comes from the Latin meridies, meaning "midday"; the subsolar point passes through a given meridian at solar See more

Toward the ending of the 12th century there were two main locations that were acknowledged as the geographic location of the meridian, France and Britain. These two locations often … See more

The magnetic meridian is an equivalent imaginary line connecting the magnetic south and north poles and can be taken as the horizontal component of magnetic force lines along the … See more