The entrance line snaked back down the road long before the official start of the Open Day at ESA’s technical centre on Sunday, marked with an all-star astronaut introduction and big-screen Ariane 5 rocket launch.
The entrance line snaked back down the road long before the official start of the Open Day at ESA’s technical centre on Sunday, marked with an all-star astronaut introduction and big-screen Ariane 5 rocket launch.