hello, and welcome to bbc news. a revolutionary telescope which is aiming to detect some of the earliest stars and galaxies in the universe is due to head off into space in the next few minutes. we will be following the launch of the james webb space telescope from this point which is the launch pan in french guiana. nasa's james webb space instrument, which has cost £10 billion, will be released from a rocket 26 minutes after blast—off. our science editor, rebecca morelle reports. stunning images revealing the beauty of our universe, but we've only seen a tiny fraction of it. now, a new astronomy mission is set to revolutionise our view. this is the james webb space telescope. it's a successor to hubble,