LISA Pathfinder (LPF), the mission to demonstrate new technologies necessary for the planned gravitational wave observatory eLISA, has been satisfactory launched from Kourou on December 3nd, 2015.
After the 1 day delay because of an issue from the Vega launcher, the spacecraft has launched today at 05:04 CET time (UTC + 01).
Here you can watch the liftoff!!
The spacecraft begins a travel to L1, where will become an space laboratory to check the technology for a future space born Gravitational Wave detector.