ESA title

Between 19 September and 10 October 2026, we opened the doors of six ESA establishments in France, Italy, the Netherlands, Germany, Spain and the United Kingdom for the much-anticipated ESA Open Days. Together, the sites welcomed some 23 000 visitors, who explored the places where European space missions are designed, tested and operated. Astronauts, scientists, engineers, partners and volunteers were on hand everywhere to guide visitors, answer questions and share their work. Across the sites, well over 200 activities were on offer: talks, workshops, simulations, tours, exhibitions, VR experiences, rocket launches and hands-on experiments for every age.

19-20 September – ESA Headquarters, Paris, France  
25 September – ESA ESRIN, Frascati, Italy  
26-27 September – ESA ESTEC, Noordwijk, Netherlands  
2 October – ESA ESOC, Darmstadt, Germany  
3 October – ESA ESAC, Villanueva de la Cañada, Spain  
10 October – ESA ECSAT, Harwell Campus, United Kingdom

ESA Open Days 2026
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ESA Open Days 2026, establishment by establishment