Diagram Of Prime Meridian. The prime meridian is arbitrary meaning it could be chosen to be anywhereany line of longitude a meridian can serve as the 0 longitude line. Imaginary lines that measure east or west of the prime meridian.
Download scientific diagram radius of curvature in the prime meridian. This great circle divides a spheroid into two hemispheres. Longitude is always listed second in a set of coordinates.
Download scientific diagram radius of curvature in the prime meridian.
In addition to the prime meridian which is the 0 mark in todays longitudinal system the international date line is also an important marker. A prime meridian is a geographic longitude which runs vertically along a sphere dividing it into two hemispheres. It passes through the community of greenwich. The first country to create world sailing charts portugal put the starting point in its territory madeira islands indicated by the red and blue flag.