Just as we use latitude and longitude to know the precise position of something on Earth's surface, it's useful to have a ...

Lines of longitude, also called meridians, are imaginary lines that divide the Earth. They run north to south from pole to pole, but they measure the distance east or west. Longitude is measured in ...

In the article "The Plurality of Reception: Latitude and Longitude in Early Modern China, 1700-1900," published in Isis, Xue Zhang argues that the overall transmission of the latitude-longitude system ...