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This imaginary line is called the great circle. A great circle is the shortest distance between two point on a sphere. On a flat map the great circle route takes the shape of the arc of a circle due to the projection method used to fit the path on the earth's sphere to a flat surface.

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Q: What is the imaginary line around the earth used in air and sea navigation?
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Related questions

The imaginary line around the middle of the earth?

the equator is the imaginary line around the earth.


Is the equator an imaginary line around which the earth rotates?

The equator is an imaginary line which indicates where the middle of the earth is and it goes around.


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The imaginary line between the poles of the Earth around which the Earth spins is called the "axis of rotation".


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What is the imaginary line that the earth spins on?

The imaginary line between the poles of the Earth around which the Earth spins is called the "axis of rotation".


What is the imaginary line around which earth which the earth spins?

axis


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The equator


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the equator.


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The line your referring to is the Equator.


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Equator