The 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.
Equator
The Prime Meridian
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
The Prime Meridian.
The imaginary line is called the Prime Meridian.
"Prime Meridian" if you're talking longitude, or "Equator" if you're talking latitude.
That's the 'Prime Meridian'.
The prime meridian is located at 0 degrees longitude.
The Prime Meridian.