Prime meridian - Wikipedia
A prime meridian is an arbitrarily chosen meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian …
What is the Prime Meridian - and why is it in Greenwich?
Just as the equator separates the northern and southern hemispheres, the Prime Meridian separates the eastern and western hemispheres. When you stand across the line, you have …
Prime meridian (Greenwich) - Wikipedia
The Greenwich meridian is a prime meridian, a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England. [1] . From 1884 to 1974, the …
Greenwich meridian | Definition, History, Location, Map, & Facts ...
Greenwich meridian, an imaginary line, last established in 1851, used to indicate zero degrees longitude. It passes through Greenwich, London, and ends at the North and South poles. …
Prime Meridian: Definition, History, and Significance
2023年6月26日 · The Prime Meridian is an imaginary line that divides the Earth into Eastern and Western Hemispheres. It is the longitude line with a value of 0 degrees and runs from the …
The Prime Meridian: Establishing Global Time and Space
2018年8月31日 · The Prime Meridian is the universally decided zero longitude, an imaginary north/south line which bisects the world into two and begins the universal day. The line starts …
prime meridian - Kids | Britannica Kids | Homework Help
The prime meridian is the imaginary line that divides Earth into two equal parts: the Eastern Hemisphere and the Western Hemisphere. The prime meridian is also used as the basis for …
Where is the Prime Meridian? - WorldAtlas
2017年9月7日 · A prime meridian is a geographic longitude which runs vertically along a sphere dividing it into two hemispheres.
Prime Meridian - National Geographic Society
2023年10月19日 · The prime meridian is the line of 0° longitude, the starting point for measuring distance both east and west around Earth. The prime meridian is arbitrary, meaning it could be …
Meridian | Prime Meridian, Longitude & Latitude | Britannica
The prime meridian is zero degrees longitude and divides Earth into the Western and Eastern hemispheres. It is also known as the Greenwich Meridian because it passes through …