Jan Wörner, ESA Director General, and Nathalie Meusy, ESA Citizens’ Debate project manager, during the discussion on ‘Space 4.0ur future: sound check with citizens – the Moon for our future’, at the ESA pavilion, during the Paris Air and Space Show, on 22 June 2017. Space matters in an interactive way with a diversity of citizens gathered together, and benchmark live the results of the questions raised during a citizens debate on space for Europe organised by ESA in all its Member States in September 2016.