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It is simply an agreed upon reference point. It is arbitrary, and in the past each country defined its own. French sailors, for example, used a prime meridian that ran through Paris. Great Britain's dominance of the seas is probably the reason that the Greenwich Meridian came to be so widely accepted as the standard reference.

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14y ago
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9y ago

The Prime Meridian is the starting point for measuring distance both east and west around the earth. It is the line of 0 longitude.

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11y ago

It is a line from the North Pole to the South Pole that passes through Greenwich, England.

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Q: What is the significance of 0 degree longitude or prime meridian?
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Related questions

What is the degree of measure for the prime meridian?

The Prime Meridian is zero degrees longitude.


What is 0 degrees longitude?

0 degree longitude is is called the Prime Meridian.


0 degrees longitude is better known as?

The point at which the equator (0° latitude) and the Prime Meridian (0° longitude) intersect has no real significance but it is in the Atlantic Ocean, about 380 miles (611 kilometers) south of Ghana and 670 miles (1078 km) west of Gabon.Source: About.com


What degree is the prime meridian at?

The Prime Meridian is at zero degrees longitude and every possible latitude.


The prime meridian is found at degrees longitude?

The prime meridian in located at 0 degress longitude, and passes through Grenich, England.


What degree is the prime meridian located at?

The longitude of the Prime Meridian, by international definition and agreement, is zero (0°). .Every point on the Prime Meridian has a different latitude, and every latitude on Earthhas a point on the Prime Meridian.


0 degree line of longitude on the globe?

the prime meridian(:


What lie on the 0 degree longitude line?

Prime meridian


What degree longitude is the prime meridian?

its either 180 degrees latitude, 0 degrees latitude, or 0 degrees longitudethe answer is 0 degrees


At what degree of longitude is the Prime Meridian?

The longitude of every point on the Prime Meridian is Zero.


What do geographers call the 0 - degree line of longitude?

the prime meridian


What is another name for the 0-degree line of longitude?

The Prime Meridian