Find out more about the risks of asteroids with our weblinks and suggested reading
The Background Brief team. Background Brief: The Open University's guide to everything you needed to know about scientific debate. It ran on BBC Two from 1999; the last new episode aired in 2001.
First published on Mon, 07 Mar 2005 as Impact Planet Earth: Weblinks. To find out more visit The Open University's Openlearn website. Copyright 2005
First published on Mon, 07 Mar 2005 as Impact Planet Earth: Weblinks. To find out more visit The Open University's Openlearn website. Copyright 2005