In Greek the word "geography" means "Earth". She studies the earth and the people who live on it, the relationship between people and Land.
Usually, geography is divided into physical, which is devoted to the study of the Earth and its landscapes, and economic - the science of how to live on Earth people.
As the Earth moves in space? How to predict the weather? What seas and oceans, mountains and rivers? As people interact with the environment? On these and many other questions are looking for answers scientists geographers.