Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Charles Withers explains how the choice of Greenwich to mark 0° longitude solved problems of global measurement that had engaged geographers, astronomers, and mariners since ancient times. This history is a testament to the power of maps, the challenges of global measurement, and the role of scientific authority in creating the modern world.

Meridians (Geodesy) --- Geographical positions --- Positions, Geographical --- Geodesy --- Geospatial data --- Grids (Cartography) --- Latitude --- Longitude --- Mathematical geography --- Lines, Meridian --- Meridian lines --- History. --- Prime Meridian --- 0⁰ meridian --- Greenwich, Meridian of --- Meridian of Greenwich --- Zero degrees meridian --- Zero meridian