but all of this rests on getting the mirror fully opened and then aligned. nothing this complex has been tried in space before. but if it works, by the summer, the first images should be sent back, and scientists say they will be spectacular. rebecca morelle, bbc news. time for a look at the weather. here's thomasz schafernaker. satellite is a little less fancy than that, but we certainly are in for some weather over the next 2a hours or so. it remains chilly, and talking of satellites, i want to show you this fantastic picture from space. look at this well pool of cloud across the north atlantic, and the cold front sweeping across the uk. so that is the view from space from one of our weather satellites. cold air spreading across the uk right now, and it has certainly been quite a showery day with wintry showers across the northern hills