Keywords latitude, longitude, Earth, Prime Meridian, time zones, International Date Line, geography, location, measurement Email us at [email protected] if you have questions about the footage ...

Learn what the Prime Meridian is and how it splits the two hemispheres. ... More on Geography skills. Find out more by working through a topic. What is a map used for? count. 4 of 10.

Jeopardy champ Ken Jennings reveals another odd geography fact: the prime meridian and our whole system of navigation could've been very different than it is now. It could've been French.