Time that has ever on the surface of a comet, the first one that has ever been done. Theyre also concerned most of it is possible it is not securely anchored on the comet. First, this report on a journey that began 10 years ago and cost some 1. 3 billion euros. Flex after hours after hours of trepidation, this, try cries of joy from the control room in darmstadt. A seven hour dissent from the mothership, rosetta. A seven hour descent from the mothership, rosetta. The probe had safely landed on the surface of the comet. [speaking foreign language] a successful landing was far from certain. The terrain of the landing spot was also no unknown. Meaning, it may not have been able to attach itself to the surface. As well as that, scientists had to work out how to aim the probe at a 4000 kilometer long target at traveling at 6000 kilometers per hour. It all went to plan. This first image beamed back shows the rosetta probe above. [applause] today, we have demonstrated that we are the leading