Hemispheric line
vertical calm
A line segment that divides a circle in two is a chord.If the two parts of the circle are equal, the line segment is a diameter.See 'The Parts of the Circle' in Sources and related links, below.
Every line bisector divides a line into two halves: by definition!
It's a chord, unless the 2 parts are equal, when it becomes a diameter.
The line of zero latitude does that. Folks often call that one the 'Equator'.
The line in the center of the globe is called the equator. It is an imaginary line that divides the Earth into the Northern Hemisphere and the Southern Hemisphere.
Hemispheric line
the Equator
The Prime Meridian
The Equator is the imaginary line that divides the globe into the northern and southern hemispheres. It is located at 0 degrees latitude.
Equator
Latitude
the equator
equator
The line across the center of the earth is the equator.
The line across the center of the earth is the equator.