Meteorites regularly hit Earth, although most go undetected. Occasionally a big meteorite collides with Earth and when it does, it can cause devastation. Lucie Green and Chris Lintott visit the Natural History Museum to look at its meteorite collection and discuss the recent Russian impact. Jon Culshaw goes on a meteorite hunt, while Pete Lawrence and Paul Abel give their beginners' guide on how to look at Saturn.
A tribute to Sir Bernard Lovell and Neil Armstrong
Sir Patrick Moore fondly remembers two men he knew very well: the great radio astronomer Sir Bernard Lovell and the first man on the Moon Neil Armstrong, who both died in August. Sir Patrick reveals to Chris Lintott what Neil Armstrong told him about his famous line "One small step..." .
A European mission called JUICE has been announced which will visit Jupiter and its fascinating moons Europa, Callisto and Ganymede. Sir Patrick Moore finds out why these icy moons may harbour conditions suitable for life, and also has the latest news from the Cassini mission, currently sending back astounding images from Saturn.
The Sky at Night celebrates 55 years with the second of its special programmes. Sir Patrick picked out 55 objects in the April sky and asked viewers to take part in his Moore Marathon. He finds out how everyone got on, with help from the team.
The Sky at Night is a monthly documentary television programme on astronomy produced by the BBC. The show has had the same permanent presenter, Sir Patrick Moore, from its first airing on 24 April 1957, making it the longest-running programme with the same presenter in television history.
Warp Factor 55 Have you ever dreamed of travelling through space? Sir Patrick Moore takes us on an epic journey to the ends of our known universe, stopping en-route to take in the view. The team engage the warp drive and celebrate 55 years of The Sky at Night - at the speed of light.
BBC One, Mon 2 Apr 2012, 00:05 EXCEPT NORTHERN IRELAND
BBC One, Mon 2 Apr 2012, 23:35 ONLY ON NORTHERN IRELAND