Watch the Herschel and Planck launch live   Ariane 5 carrying Herschel and Planck     Live web streaming of Herschel-Planck launch on Thursday 14 May, starts at 14:40 CEST and lasts until 15:52 CEST. The launch itself is scheduled to take place at 15:12 CEST.       Open English Windows Media Stream in a Window Open French Windows Media Stream in a Window       Last update: 14 May 2009