The European Space Agency (Esa) eventually launched the Ariane 5 rocket with the Rosetta spacecraft onboard from its base in Kourou, French Guyana. The operation, which took place at 4.17am local time, was delayed once on 26th February becausee of hi-altitude winds and a second time on 27th February because of the detachment of part of the insulating foam that covers the outside of the rocket. Rosetta...