-- the Prime Meridian
-- 180 degrees (separates the eastern and western hemispheres
opposite the Prime Meridian)
-- 87.72111 degrees west (passes through my house)
Longitude lines go vertically and latitude lines go horizontally.
The lines of latitude and longitude are important because we need them to describe exactly where a point is on Earth.
The most important lines of longitude and latitude are the equator, the prime meridian, tropic of Cancer, tropic of Capricorn and the international dateline.
Latitude and Longitude are used to point to exactly where you want to be
They are important for tracking and mapping points and places.
The Prime Meridian The International Date Line
meridians or lines of longitude
"Lines" of constant longitude are "meridians".
Lines of longitude, or meridians.
So you can find precise locations on the Earth's surface.
Parallel lines, by definition, cannot meet. The lines of longitude meet at the Poles.
'Longitude' is the angle measured east or west from the Prime Meridian to the location of interest. Some lines may or may not be printed on some maps or globes to mark the position of some longitudes.