Articles Index

Highest Mountains in the World
A list of the higest mountains in the world, from your About.com Guide to Geography.

Basic Earth Facts
A collection of basic facts about the planet earth, from your About.com Guide to Geography.

North Pole
Everything you ever wanted to know about the geographic north pole and the magnetic north pole. Discover how rapidly the magnetic north pole is moving and where it's going.

Rivers Flowing North
Learn all about rivers that flow northward around the world, from your About.com Guide to Geography.

Milankovitch Cycles: Changes in Earth-Sun Interaction
Astronomer Milutin Milankovitch developed the mathematical formulas upon which orbital variations are based. He hypothesized that when some parts of the cyclic variations are combined and occur at the same time, they are responsible for major changes to the earth's climate (even ice ages). Learn more about the Milankovitch Cycles in this article.

Speed of the Earth
Discover the speed of the earth with respect to the revolution or orbit of sun and the rotation of the earth on its axis.

100th Meridian
Learn about the 100th meridian, representing the boundary between the moist east and the arid west of the United States, from your About.com Guide to Geography.

The Fifth Ocean
The International Hydrographic Organization has created a new fifth ocean - the Southern Ocean - surrounding Antarctica.