The Prime Meridian is located at 0° longitude and divides the Earth into the Eastern and Western Hemispheres.

The Equator is located at 0° latitude and divides the Earth into the Northern and Southern Hemispheres.

Greenwich, England is located at 0° longitude and is the reference point for Greenwich Mean Time (GMT).

Ecuador is the only country in the world that is crossed by both the Prime Meridian and the Equator.

The difference in longitude between two points located 15° apart on the Equator is 15°, as the Equator is a circle with 360° of longitude.

The difference in latitude between two points located 10° apart on the Prime Meridian is 10°, as the Prime Meridian is a straight line from the North Pole to the South Pole.

Beijing is located in the Northern Hemisphere, as it is north of the Equator.

Santiago is located in the Southern Hemisphere, as it is south of the Equator.

The Prime Meridian is the imaginary line that connects the North Pole and the South Pole and divides the Earth into the Eastern and Western Hemispheres.

The Equator is the imaginary line that divides the Earth into the Northern and Southern Hemispheres.

The Prime Meridian and the Equator are both great circles, which means they are the largest circles that can be drawn on a sphere. Therefore, they are both the same length.

The approximate length of the Prime Meridian is 40,075 km (24,901 miles).

The approximate length of the Equator is 40,075 km (24,901 miles).

Ghana is crossed by the Prime Meridian but not the Equator.

Indonesia is crossed by the Equator but not the Prime Meridian.