Royal Greenwich Observatory

The Royal Observatory, Greenwich is a historic scientific institution located in London, England. It was founded in 1675 by King Charles II to improve navigation and mapmaking through astronomy. The observatory is famous for being the home of the Prime Meridian (0° longitude), which divides the eastern and western hemispheres of the Earth. Today, it is part of the Royal Museums Greenwich and serves as a museum where visitors can learn about timekeeping, space, and astronomy.