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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Structural model of the Lightning Imager to be carried on the Meteosat Third Generation Imager satellites. The instrument comprises four identical optical telescopes, mounted on a common head assembly. Each sensor covers one of four domains on the observable Earth disc. This new instrument will locate lightning in real time for nowcasting. It will be particularly relevant for air traffic safety.