For over fifty years satellites have circled the Earth and spacecraft have been used to explore our solar system. Every day ordinary people around the world use satellites for satellite television, GPS navigation, weather forecasts and other technologies. Many people are curious about how something gets into space - and stays there - and what the terms used in the media actually mean. Also, with the advent of space tourism, some people are starting to wonder if they too could go into space and what it would be like.

Here, the author explains the basics of what is involved, from the...