The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Special miniature ceramic gas sensors to measure oxygen distribution in the plasma wind tunnels originally developed to test heat-shield materials for re-entry spacecraft in extreme conditions is now used in new non-space applications. The small size of the sensor and its fast reaction time have made it possible to develop an improved human breath measurement apparatus, a control system to reduce exhaust gases from heating systems for home and industry, and a handy, easy-to-use portable system to test for hydrogen leakage in industrial installations.