The line that separates the day and night is called the "TERMINATOR". it is a grey moving line
A line that separates two continents. Such as the international boundary line. that separates Mexico from the United States
you can work day or night as long as you do your job
Usually night.
The Equator is the line that separates the earth into two hemispheres
Day and night on Saturn is caused by the its rotation around the Sun. Much like the Earth, the Sun provides the day and night cycle for Saturn.
Terminator is the twilight zone or "grey line" is a moving line that separates the day from night.The line around the Earth that separates the night side from the day side is called the "terminator".
A line that separates two places is a boundary line.
The line dividing illuminated areas from night areas is called the terminator.
When viewed from space, the line separating day from night is called the "terminator".
It is the solidus line that separates the numerator from the denominator in a fraction
The name of the line on a map that separates two countries is typically called a border or boundary.
The International Date Line separates Day 1 from Day 2 across the globe. Thus, if you are crossing the Internationa Date Line, you may be a day ahead or behind of the place you have travelled from.
The line separates the numerator and the denominator.
The terminator is the [moving] line on earth where day turns into night (and conversely).
It should be London, because it lies on the prime meridian (the line that separates the earth vertically).
the name of that line is ruling lines
The Horizon line