Coordinates - Meridian

Unlike lines of latitude, which run parallel to each other and get smaller as they approach the poles, all meridians are great circles of equal length. They run vertically from the geographic North Pole to the geographic South Pole. Key Characteristics of Meridians

Every coordinate system requires a baseline. For meridians, this baseline is the , designated as 0° longitude. meridian coordinates

Directly opposite the Prime Meridian on the other side of the world sits the , or the Antimeridian . Unlike lines of latitude, which run parallel to

Primarily on the arm and hand.