Mars, now on view in the evening sky, is a world of craters, valleys, plains and huge volcanoes. The space probe Mars Global Surveyor is at present moving around the planet. Dr Peter Catterrnole , one of Nasa's principal scientific investigators, joins
Patrick Moore to give the latest news.
Your monthly journey through the fascinating world of space and astronomy with the latest thinking on what's out there in space and what you can see in the night sky.
