There is no 'visible half dividing line' present on any planet or moon. Much like State lines, which are imaginary lines to describe territories, but cannot actually be seen.
The equator is an imaginary line that divides the Earth into the Northern and Southern Hemispheres. It is not a physical or visible line on the Earth's surface, but rather a concept based on the Earth's rotation and axis.
The line running east-west located at 0 degrees latitude that divides the Earth into the northern and southern hemispheres is called the Equator.
The line dividing the zone of accumulation from the zone of ablation on a valley glacier is called the equilibrium line. This line marks the point where accumulation (snowfall) equals ablation (melting and sublimation), influencing the glacier's overall mass balance and movement.
A boundary is a dividing line that separates one place from another. It can be marked by physical features like rivers or mountains, or defined by political or administrative factors.
implied line
Equator...
an imaginary line that goes around the earth dividing in half defining north and south
Half an octagon has five sides is it is divided in two by a line joining opposite vertices. It has six sides in the dividing line joins the midpoints of opposite sides.
The Border line dividing Pakistan and Afganistaan
Thats a term to describe the globe. A hemisphere is half, upper & lower. US is in the Norther half. Equator would be the dividing line.
A perpendicular bisector crosses a given line at a 90 degree angle, forming a right angle with the line while dividing it exactly in half.
Bisector Bi=2 sector=split so split into two parts.
Because the traditional dividing line is at 180 degrees.
The line running east-west located at 0 degrees latitude that divides the Earth into the northern and southern hemispheres is called the Equator.
The imaginary line that divides the Earth in half horizontally is called the equator. This line is situated at 0 degrees latitude and runs east-west, dividing the Earth into the Northern and Southern Hemispheres.
A dividing line between two places is usually called a border.
visible lines are the part of clipping of object in computer graphics. if you find out the line in the figure area then this line is said to be visible line