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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Airbus engineers use the Electrical Ground Support Equipment (EGSE) to relay instructions to the telescope instrument via the spacecraft platform. Careful testing was performed to validate operational procedures, including monitoring the status of the instrument, capturing test images, and using the simulated target star position to control telescope pointing during long observations.