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The 180th meridian or antimeridian is the meridian which is 180° east or west of the Prime Meridian with which it forms a great circle.

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Is the international date line the longitude line that forms a great circle with the prime meridian?

Yes, it is.


What line of longitude forms the other half of the prime meridian of the globe?

The Prime Meridian is complete as it appears on maps or globes. It forms a half-circle, and isn't missing anything. When joined with the Prime Meridian, the 180-degree meridian of longitude forms a complete great circle.


What lone of longitude forms the other half of the prime meridian?

The Prime Meridian is complete in and of itself, with nothing missing.It's only a semi-circle, however, which may, understandably, leave some with anuncomfortable feeling of virtual incompletitude.Those who feel that there's something inherently unsatisfying about a semi-circlemay join the Prime Meridian with the meridian of longitude at 180°, and therebyarrive at a partnership that forms a true, complete, great circle on the Earth.


What are the reference point for latitude and longitude?

The latitude and longitude references are lines, not points. The reference for latitude is the line that forms a circle and consists of all points with zero latitude. That line is called the "equator". The reference for longitude is the line that forms a semi-circle and consists of all points with zero longitude. That line is called the "Prime Meridian".


What is the maximum number of degrees of longitude?

The maximum longitude is 180°, at any point on the line directly opposite the Prime Meridian. (The line which, combined with the Prime Meridian, forms a complete circle around the Earth and through the poles.)

Related Questions

Which line longitude forms the other half of the prime meridian?

The Prime Meridian is complete exactly as it appears on maps and globes. It forms a half-circle, and it isn't missing anything. When joined with the Prime Meridian, the 180-degree meridian of longitude forms a complete great circle.


What line of longitude forms a great big circle with the prime meridian?

180th Meridian


What line of longitude joins with the prime meridian to make a complete circle?

The 180th meridian or antimeridian is the meridian which is 180° east or west of the Prime Meridian with which it forms a great circle.


Is the international date line the longitude line that forms a great circle with the prime meridian?

Yes, it is.


What line of longitude forms the other half of the prime meridian of the globe?

The Prime Meridian is complete as it appears on maps or globes. It forms a half-circle, and isn't missing anything. When joined with the Prime Meridian, the 180-degree meridian of longitude forms a complete great circle.


What line of longitgitude forms the other half of the prime meridian?

The Prime Meridian is complete just the way it's drawn on maps or globes. It's not missing anything. When the Prime Meridian is joined with the 180° meridian of longitude, the combination forms a single, complete great-circle.


What lone of longitude forms the other half of the prime meridian?

The Prime Meridian is complete in and of itself, with nothing missing.It's only a semi-circle, however, which may, understandably, leave some with anuncomfortable feeling of virtual incompletitude.Those who feel that there's something inherently unsatisfying about a semi-circlemay join the Prime Meridian with the meridian of longitude at 180°, and therebyarrive at a partnership that forms a true, complete, great circle on the Earth.


What are the reference point for latitude and longitude?

The latitude and longitude references are lines, not points. The reference for latitude is the line that forms a circle and consists of all points with zero latitude. That line is called the "equator". The reference for longitude is the line that forms a semi-circle and consists of all points with zero longitude. That line is called the "Prime Meridian".


Does the prime meridian circle the globe from north to south pole?

Like every other meridian, the Prime one only joins the poles,and forms a semi-circle.


What is the maximum number of degrees of longitude?

The maximum longitude is 180°, at any point on the line directly opposite the Prime Meridian. (The line which, combined with the Prime Meridian, forms a complete circle around the Earth and through the poles.)


What line of longitude forms the prim meridean?

The Prime Meridian is defined as zero longitude. All longitudes on Earth are measured east and west from there.


What line longitude forms the other side of the Prime Meridian?

The opposite of the Prime Meridian -- 180° East (or West) Longitude -- is traditionally referred to as the International Date Line, though substantial portions of the line deviate from the true meridian in order to accommodate geopolitical boundaries (countries).