Weather conditions in Kourou in Gayana, France, deemed too unsafe to allow the 55-metre-high Ariane 5 rocket to rise to the air. The rocket will take a probe with ten experiments to Jupiter's icy moons to investigate whether there are conditions for life.

The shot should have gone dot 14.15 Swedish time, now there will be another attempt scheduled for Friday, but then at 14.14.                                .                                                   .