The imaginary line running through Greenwich, England at 0 degrees longitude is called the Prime Meridian. It marks the starting point for measuring longitude and defines the Eastern and Western Hemispheres.
Prime meridian
The imaginary line at zero degrees longitude is the Prime Meridian. The imaginary line halfway between the poles is the Equator. The Equator is zero degrees latitude.
The imaginary line that runs north and south from the North Pole to the South Pole at 0 degrees longitude is called the Prime Meridian.
The imaginary line that divides the Earth into east and west longitude is called the Prime Meridian. It is located at 0 degrees longitude and passes through Greenwich, London, UK.
It is the Prime Meridian
Equator
The imaginary line running through Greenwich, England at 0 degrees longitude is called the Prime Meridian. It marks the starting point for measuring longitude and defines the Eastern and Western Hemispheres.
Prime Meridian
The Prime Meridian
The prime meridian.
Prime meridian
The Prime Meridian.
They are called the lines of longitude. Lines of longitude range from 0 degrees on the prime meridian to 180 degrees.
"Prime Meridian" if you're talking longitude, or "Equator" if you're talking latitude.
The equator is the imaginary line that divides the Earth into the northern and southern hemispheres.
It is the "Prime Meridian" or the "0 degree Meridian" which is the basis for calculating time in most of the world.