Discover what longitude and latitude are and understand what the different hemispheres are. Learn how to locate different places in the world. ... Activity: Quiz – Latitude and longitude .

Longitude lines run along the Earth's surface in a north-south direction, and unlike latitude lines, they divide the globe into segments like those of an orange, rather than regular strips.

Want to understand why it is that having a precise timepiece (also known as a chronometer) helps you determine your longitude? Play this Shockwave game, get lost on the high seas, and find out ...

IN the Astronomische Nachrichten (No. 3619) I have published the results of an investigation dealing with the effects of periodic changes in solar activity on the motion of our planet. It is there ...

The historian and cartography Bill Rankin, who maintains the blog Radical Cartography, created the fascinating histograms above, which show the world’s population distributed by longitude and ...