# Satellites

First of all we need to understand what a satellite is? A satellite is an object which orbits a larger object in space. The term can refer to two different types of satellites, natural and artificial.

### Natural Satellites

Natural satellites are objects which naturally orbit a planet or star. An example of a natural satellite includes the moon orbiting the Earth. 

### Artificial Satellites

Artificial satellites are man-made objects that orbit a planet or star. An example of an artifical satellite includes the International Space Station orbiting Earth.

## Satellite Uses

Whether you realise it or not satellites are used constantly in our day-to-day lives. Some common use cases of satellites can be seen outlined below:

#### Navigation

Satellites are often used for navigation. One common exmaple of this is GPS - The Global Positioning System (GPS) utilises a constellation of satellites to calculate the position of client devies.