noun An imaginary line that divides the Earth into the Eastern and Western Hemispheres, starting at the North Pole and passing through Greenwich, England.
The establishment of the prime meridian played a significant role in the history of navigation and international cooperation.
Students learn about the prime meridian as part of their geography and social studies curriculum.
Astronomers use the prime meridian as a reference point for mapping celestial bodies and determining their positions in the sky.
The prime meridian is an imaginary line that represents 0 degrees longitude, dividing the Earth into Eastern and Western Hemispheres.
Navigators use the prime meridian as a reference point for determining direction and calculating distances between locations.
Cartographers use the prime meridian as a reference point to create maps and determine locations on Earth.
The prime meridian is often mentioned in works of fiction that involve international travel or geography to establish locations and directions.
Cartographers use the prime meridian as a reference point to create accurate maps and charts of the Earth's surface.
Astronomers use the prime meridian as a reference point for celestial navigation and mapping the positions of stars and planets.
Historians may refer to the prime meridian when discussing the history of cartography, exploration, and the establishment of global coordinate systems.