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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Proba-3's pair of spacecraft will be in a highly elliptical orbit around Earth, performing formation flying manoeuvres as well as scientific studies of the solar corona through creating prolonged solar eclipses on demand. The Occulter spacecraft has solar panels on its Sun-facing side while the Coronagraph has a side panel beyond the shadow the Occulter will cast.