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There is only one Prime Meridian. It's an imaginary line on the surface of the earth that runs between the North and South Poles, and passes through the Royal Observatory in Greenwich, England. It's the official "Zero" line for east-west measurements; the 'longitude' of every place on earth is expressed as degrees "east or west of Greenwich". The USA ... not counting Alaska or Hawaii ... lies between roughly 67 degrees (Maine) to 124 degrees (California) west of the Prime Meridian.

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Q: What is an prime meridain?
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Related questions

What and What are both east and west of the Prime Meridain?

north and south :)


Does the prime meridian touch the nourth or south pole or both?

Both, the prime meridain is a vertical line that circles the Earth


Where On the global grid the prime meridain is at?

It goes from the North Pole to the South Pole through the Royal Observatory, Greenwich.


What rhymes with meridain?

quotidian


Which three European countries are entierly west of the meridain at 0?

Iceland, Ireland, and Portugal are all entirely west of the Prime Meridian (0˚ longitude).


What does the prime meridain pass thorgh?

it passes through is: united kingdom,france,spain,algeria,mali,burkina faso,togo,ghana,antartca


What is the meridain that is labeled 0?

The Grand Meridian


Is the equator a parrel or a meridain?

The equator is the parallel of zero latitude.


Is the equator a paraellel or a meridain?

The equator is the parallel of zero latitude.


How many miles is it to Pittsburgh PA from Meridain MS?

It is 896 miles according to Google Maps.


What is post meridain?

i dont know shh -------------------------- Post Meridian means afternoon - usually referred to as P.M.


How many degrees of longitude separte each meridain on your globe?

Two meridians can be separated by many degrees or by small fractions of a degree.