After 30 years and 10 billion dollars, the largest space telescope in the world starts

When he tells all that awaits the James Webb before he turns his gaze to the deep Cosmos, Peter Jensen raises a hand to his chest and makes the gesture of the heart that leaps and throbs with apprehension. The project manager of the James Webb space telescope for the European Space Agency, shows images of the largest, most complex and most expensive orbital astronomical observatory ever built, close to take-off, on December 25th.