The longitude called the Prime Meridian divides the globe into eastern and western hemispheres.
Could not the Equator enter into the equation?
I thinking the equator has something to do withit.
imani0906:
we divide the earth into hemispheres in north,south,east and west
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northern and southern hemispheres
Latitude lines are imaginary lines that are parallel to the equator to fix a position on earth (along with longitude lines which are imaginary lines perpendicular to the equator)
The equator and the lines of longitude.
The term that indicates imaginary parallel lines that circle the Earth is "latitude." Latitude lines run horizontally around the globe, measuring the distance north or south of the Equator. These lines are used in geographic coordinate systems to help locate positions on the Earth's surface.
On the earth (and planetary/stellar bodies) they are called latitudes and longitudes.