The LISA Pathfinder GO/NOGO roll call in the Main Control Room at ESOC, ESA's European Space Operations Centre, Darmstadt, Germany. The roll call was conducted by Flight Director Andreas Rudolph just an hour before lift off at 04:04 UTC (05:04 CET), 3 December 2015. Image credit: ESA/K. Siewert - CC BY-SA v3.0 IGO
LISA Pathfinder was launched on board a Vega rocket from Kourou, French Guiana, on a mission that will test-drive the hardware for detecting gravitational waves – ripples in spacetime, the very fabric of the Universe.
