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The Prime Meridian and the meridian of 180° longitude combine to form

a great circle on the Earth. Each of them alone is a semi-circle.

Every parallel of latitude also circles the Earth completely, but among those,

only the equator is a great circle.

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What combined with the prime meridian makes a complete circle around the earth?

The Prime Meridian and the meridian of 180° longitude combine to form a great circle on the Earth. Each of them alone is a semi-circle.


Which of these combined with the prime meridian makes a complete circle around the earth?

The International Date Line combined with the Prime Meridian makes a complete circle around the Earth. The Prime Meridian is at 0 degrees longitude, and the International Date Line is opposite it at 180 degrees longitude.


What name is given to the half circle that contines around earth?

Each meridian is a half-circle from the north pole to the south pole of the earth.


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.


How many degress of longitude circle earth?

360 degrees of longitude circle the Earth.


Does the meidian pass through the arctic circle or antarctic circle?

Every meridian of longitude on Earth crosses the Antarctic Circle, the Arctic Circle, and every other parallel of latitude on Earth.


What is the name of the imaginary vertical line that circles the earth and is found at zero degrees longitude?

the Prime Meridian or Greenwich Meridian and runs through Greenwich England ________________________________ You're probably thinking of the Prime Meridian, but the Prime Meridian doesn't circle the Earth; it only covers half of the Earth. The other half of the circle is the "anti-meridian" at longitude 180 degrees. (East or west? Both, and neither.)


How are the equator and prime meridian related to latitude and longitude?

Each of those lines is a meridian of longitude. They are 180 degrees apart in longitude,so together they form a complete circle around the Earth. That circle is the boundarybetween the eastern and western hemispheres.


Where is anitmeridian positioned in relation to the prime meridian?

Travelling all the way around the Earth from the the Prime Meridian (0°) takes you in a circle of 360°Therefore, at the exact opposite side of the Earth as the prime Meridian is 180°.Longitude is measure from 0° to 180° either East or West of Greenwich so it ends at 180°.


What is the name of the line 0 longitude?

The line name at 0 degrees longitude is commonly referred to as the Prime Meridian. This line passes through Greenwich, London, United Kingdom and can also be referred to as the International Meridian or Greenwich Meridian.


What is a meridean?

In geography, all of the points on Earth that have the same longitude blend together to form a line called a "meridian". Every meridian is a semi-circle on the Earth's surface that joins the north and south poles.